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left out join和right join的区别是什么?

2023-07-29 02:21:27
共1条回复
CarieVinne

left out join 左连接,简单来说,若果是左连接,则保留左表所有的行;即使在右表 (Orders) 中没有匹配的行。同理,如果是right join,则保留右表所有的行,即使在左表 (table_name1) 中没有匹配的行。

多表外链接查询语句

use+数据库

select+查询列名

from+表1

left/right (out) join +表2

on 表2的列=表1的列

left out

扩展资料:

结构化查询语言(Structured Query Language)简称SQL(发音:/u02c8es kjuu02d0 u02c8el/ "S-Q-L"),是一种特殊目的的编程语言,是一种数据库查询和程序设计语言,用于存取数据以及查询、更新和管理关系数据库系统;同时也是数据库脚本文件的扩展名。

结构化查询语言是高级的非过程化编程语言,允许用户在高层数据结构上工作。它不要求用户指定对数据的存放方法,也不需要用户了解具体的数据存放方式,所以具有完全不同底层结构的不同数据库系统, 可以使用相同的结构化查询语言作为数据输入与管理的接口。结构化查询语言语句可以嵌套,这使它具有极大的灵活性和强大的功能。

1986年10月,美国国家标准协会对SQL进行规范后,以此作为关系式数据库管理系统的标准语言(ANSI X3. 135-1986),1987年得到国际标准组织的支持下成为国际标准。不过各种通行的数据库系统在其实践过程中都对SQL规范作了某些编改和扩充。所以,实际上不同数据库系统之间的SQL不能完全相互通用。

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2023-07-27 18:01:373

英语中考题

1. When I got to his office, I __________ that he_________ out. A. told, had been B. was told, was C. had told, was D. was told, had been 2. The vegetables didn"t taste very good. They ______ for too long. A. cooked B. were cooked C. had cooked D. had been cooked 3. The anti-Japanese war ______ in 1937 and it ______ eight years. A. was broken, lasted B. broke out, lasted C. break out, lasted D. broke out, was lasted 4. She was heard __A______ an English song. A. to sing B. sing C. sang D. to be sang 5. These boxes are very heavy ___. A. be carried B. carry C. carried D. be carrying 6. The police found that the house ________ and a lot of things ________. A. had been broken into, has been stolen B. has broken into, has been stolen C. had been broken into, stolen D. has broken into, has stolen 7. Coal can ________ to produce electricity for agriculture and industry. A. have used B. used C. be used D. use 8. John has never dreamt of _________. A. taken to Athens B. taking to Athens C. be taking to Athens D. being taken to Athens 9. Nobody likes __________. A. laughed at B. laughing at C. being laughed at D. being laughed 10. The bridge ___________ will be completed next year. A. built B. being built C. is being built D. building 11. It is said that tigers ________ in Asia year after year. A. are being disappeared B. are disappearing C. will be disappeared D. will disappear 12. I"m going to Wuhan tomorrow. Do you have anything ____ to your mother? A. to take B. taken C. to be taken D. taking 13. Take it easy. There is nothing ______. A. to worry B . to be worried C. to be worried about D. to worry about 14. Your new computer will soon become outdated, because technology _______so fast. A. is developed B. is being developed C. has been developed D. will developed 15. I won"t go to the party unless _________. A. invited B. being invited C. be invited D. inviting 16. The problem ________ last week is very important. A. was discussed B. discussed C. being discussed D. be discussed 17. We should keep the animals from ________. A. be endangered B. endangering C. being endangered D. endangered 18. There are no rivers _______out of the Dead Sea. A. flowed B. flowing C. being flowed D. be flown 19. This place has been destroyed. So there is no bamboo ______ for pandas to feed on. A. left B. leaving C. leave D. be left 20. All the preparations for the task ________ , and we are ready to start. A. completed B. complete C. had been completed D. have been completed 高一英语被动语态基本功过关 一、选择题(每小题1分共40分) 1._____ a new library _____ in our school last year? A. Is ; built B. Was ; built C. Does ; build D .Did ; build 2.An accident ____ on this road last week. A. has been happened B. was happened C. is happened D. happened 3.Cotton ____ in the southeast of China. A. is grown B. are grown C .grows D. grow 4.So far, the moon ____ by man already. A. is visited B. will be visited C. has been visited D. was visited 5.A talk on Chinese history _____ in the school hall next week. A. is given B. has been given C. will be given D. gives 6.A lot of things ____ by people to save the little girl now. A. are doing B. are being done C. has been done D. will be done 7.The doctor _____ for yet. A. isn"t sent B. hasn"t been sent C. won"t be sent D. wasn"t sent 8.--When ___ this kind of computer______? --Last year. A. did; use B. was; used C. is; used D. are; used 9.Who _____ this book _____? A. did; written B. was; written by C. did; written D .was; written 10.Mary ____ show me her new dictionary. A. has asked to B. was asked to C. is asked D .asks to 11.A story _____ by Granny yesterday. A. was told us B. was told to us C. is told us D .told us 12.The monkey was seen _____ off the tree. A. jump B. jumps C. jumped D. to jump 13.Older people ____ well. A. looks after B .must be looked after C. must look after D .looked after 14.Our teacher ______ carefully. A. should be listened to B. should be listen C. be listened D. is listened 15. In some part of the world, tea _______ with milk and sugar. A. is serving B. is served C. serves D. served 16. It was reported that the murderer _______ arrested. A. has been B. had been C. has D. had 17. Do you think that the bridge ______ in a year? A. would be completed B. will be completed C. had been completed D. is being completed 18. Great changes _______ in China since the People"s Republic of China _______ in 1949. A. have taken place; was founded B. has taken place; was founded C. have been taken place; founded D. took place; founded 19.—Why does Ling Ling look so unhappy? —She has _______ by her classmates. A. laughed B. laughed at C. been laughed D. been laughed at 20. Doctors _______ in every part of the world. A. need B. are needing C. are needed D. will need 21. I promise that matter will _______. A. be taken care B. be taken care of C. take care D. take care of 22. No permission has ________ for anybody to enter the building. A. been given B. given .C. to give D. be given 23. I ___ ten minutes to decide whether I should reject the offer. A. gave B. was given C. was giving D. had given 24. Can such a thing _____ happening again? A. prevent from B. prevented from C. be prevented from D. to prevent from 25. A new house ________ at the corner of the road. A. is building B. is being built C. been built D. be building 26. This bike ________ last year. A. bought B. has been bought C. was bought D. had been bought 27. Did you see the house that _______ by fire last year? A. was destroying B. destroyed C. would destroy D. was destroyed 28. It _______ whether she will get her work in the hospital. A. hasn"t been decided B. isn"t deciding C. doesn"t decide D. hasn"t decided 29. The pen _______ me. It is hers. A. isn"t belong to B. wasn"t belong to C. doesn"t belong to D. didn"t belong to 30. I can"t use my bike because it _______. A. is repairing B. is being repaired C. will repair D. was repairing 31. The chairman told the speaker that she ______ to speak a little louder so as to make herself _____. A. was expected; heard B. had expected; hear . C had hoped; hear D. was hoped; heard 32.— The window is dirty. — I know. It _____ for weeks. (2004全国03) A. hasn"t cleaned B. didn"t clean C. wasn"t cleaned D. hasn"t been cleaned 33. By the end of last year, another new gymnasium _______ in Beijing. (2003上海春季, 27) A. would be completed B. was being completed C. has been completed D. had been completed 34.—How long _______ at this job? —Since 1990. (NMET 2003北京春季, 27) A. were you employed B. have you been employed C. had you been employed D .will you be employed 35.—What happened to the priceless works of art? —_______. (NMET 2003北京春季, 34) A. They were destroyed in the earthquake B. The earthquake was destroying them C. They destroyed in the earthquake D. The earthquake destroyed them 36. This is Ted"s photo. We miss him a lot. He _______ trying to save a child in the earthquake. A. killed B. is killed C. was killed D. was killing (NMET 2002 北京春季, 27) 37. Rainforests and burned at such a speed that they will disappear from the earth in the near future. (2002 上海春季, 30) A. cut B. are cut C. are being cut D. had been cut 38. Selecting a mobile phone for personal use is no easy task because technology _______ so rapidly. A. is changing B. has changed C. C. will have changed D. will change (NMET 2001, 24) 39. Hundreds of jobs _______ if the factory closes. (NMET 2001北京春季, 12) A. lose B will be lost C. are lost D. will lose 40. A new cinema _______ here. They hope to finish it next month. A. will be built B. is built C. has been built D. is being built (NMET 2001北京春季, 17) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 B D A C C B B B B B B D B A B B B A D C 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 B A B C B C D A C B A D D B A C C A B D
2023-07-27 18:01:472

android verticalviewpager 怎么控制滑动翻页距离

  下面的代码片段详细说明了如何实现滑动翻页。  复制代码 代码如下:  public class ViewFlipperActivity extends Activity implements OnGestureListener {  private static final int FLING_MIN_DISTANCE = 100;  private ViewFlipper flipper;  private GestureDetector detector;  @Override  protected void onCreate(Bundle savedInstanceState) {  super.onCreate(savedInstanceState);  setContentView(R.layout.viewflipper);  // 注册一个GestureDetector  detector = new GestureDetector(this);  flipper = (ViewFlipper) findViewById(R.id.ViewFlipper);  ImageView image1 = new ImageView(this);  image1.setBackgroundResource(R.drawable.image1);  // 增加第一个view  flipper.addView(image1);  ImageView image2 = new ImageView(this);  image2.setBackgroundResource(R.drawable.image2);  // 增加第二个view  flipper.addView(image2);  }  @Override  public boolean onTouchEvent(MotionEvent event) {  // 将触屏事件交给手势识别类处理  return this.detector.onTouchEvent(event);  }  @Override  public boolean onDown(MotionEvent e) {  return false;  }  @Override  public void onShowPress(MotionEvent e) {  }  @Override  public boolean onSingleTapUp(MotionEvent e) {  return false;  }  @Override  public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX,  float distanceY) {  return false;  }  @Override  public void onLongPress(MotionEvent e) {  }  @Override  public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX,  float velocityY) {  if (e1.getX() - e2.getX() > FLING_MIN_DISTANCE) {  //设置View进入和退出的动画效果  this.flipper.setInAnimation(AnimationUtils.loadAnimation(this,  R.anim.left_in));  this.flipper.setOutAnimation(AnimationUtils.loadAnimation(this,  R.anim.left_out));  this.flipper.showNext();  return true;  }  if (e1.getX() - e2.getX() < -FLING_MIN_DISTANCE) {  this.flipper.setInAnimation(AnimationUtils.loadAnimation(this,  R.anim.right_in));  this.flipper.setOutAnimation(AnimationUtils.loadAnimation(this,  R.anim.right_out));  this.flipper.showPrevious();  return true;  }  return false;  }  }  在这段代码里,创建了两个IamgeView(用来显示图片),加入到了ViewFlipper中。程序运行后,当用手指在屏幕上向左滑动,会显示前一个图片,用手指在屏幕上向右滑动,会显示下一个图片。实现滑动切换的主要代码都在onFling()方法中,用户按下触摸屏,快速移动后松开,就会触发这个事件。在这段代码示例中,对手指滑动的距离进行了计算,如果滑动距离大于100像素,就做切换动作,否则不做任何切换动作。
2023-07-27 18:01:551

“退学”用英语怎么说?

drp out
2023-07-27 18:02:0311

out 在此处的意思有超出,在。。。之外的意思,left意思为剩余的,结合汉语翻译“信、达、雅”的要求,综合起来意思就是突如其来,出乎意料。翻译搞笑一点儿就是:惊不惊喜?
2023-07-27 18:02:261

daily的比较级和最高级是dailier,dailiest吗?

daily是每日的意思没有比较级和最高级
2023-07-27 18:02:333

【英语】out of left field

outofleftfield飞出左外野;在左外野之外;左外场以外例句1.sillyproposalsforsolvingtheproblemcameoutofleftfield.他那解决问题的愚蠢倡议牛头不对马嘴。2.everytimeoneparadigmranoutofsteam,anotherparadigmcameoutofleftfieldtocontinuetheexponentialgrowth.每当一个范例被用尽了,另一个范例从左外野出来继续这个成倍增长。
2023-07-27 18:02:553

英语写作文的连词有哪些

1. 写英语作文时常用的连接词有哪些 英语作文常用连接词如下:(1)表示承接的过渡词:also,and,and then,too,in addition,furthermore,moreover,what"s more, again,on top of that,another,first,second,third等。 (2)表示时间顺序的过渡词:now,then,before,after,afterwards,earlier,later,immediately,soon,next,in a few days,gradually,suddenly,finally··等。(但是你可以感受到这些词是副词,所以原词条对于“连接词”即连词是错误的)(3)表示空间顺序的过渡词:near(to),far(from),in front of,behind,beside,beyond,above,below,to the right/left,around,outside等。 (4)表示比较的过渡词:in the same way,just like,just as等。(5)表示转折的过渡词:but,still,yet,however,nevertheless,noheless,on the contrary,in spite of/ in spite of the fact that,even though,although,despite / despite the fact that等。 (6)一方面,另一方面:on the one hand,on the other hand,for one thing,for another等。(7)表示结果和原因的过渡词:because,since,so,as a result,therefore,then,furthermore,otherwise等。 (as a result ,therefore, thus并不是连词而是副词,所以经常是放句首,用逗号与后面句子隔开)(8)表示目的的过渡词:for this reason,for this purpose,so that,in order to等。(9)表示强调的过渡词:in fact,indeed,surely,necessarily,certainly,without any doubt,truly,to repeat,above all,most important等。 (10)表示解释说明的过渡词:for example,in fact,in this case,for actually, for instance等。拓展资料:英语部分连接词例句:1.They"ll be here soon.Meanwhile we"ll have some coffee.他们即刻就到,我们现在先喝点咖啡。 2.In conclusion he wished us very success in our work.总之,他希望我们在工作中取得成功。3.The railroad connects o cities,namely,New York and Chicago.这铁路联接两个城市,即纽约和芝加哥。 4.I got the permission due to the new policy.因为新政策我得到了许可。 2. 写英语作文时常用的连接词有哪些 常用连接词: 1. 表选择关系或对等关系的连e799bee5baa6e59b9ee7ad9431333365646364接词:either…or…,neither…nor, or, as well as…, and, both…and…。 2. 表因果关系或对等关系的连接词:therefore, so, as a result, as the result of …,because of, due to …,owing to, thanks to等。 3. 表时间顺序的连接词:the moment, as soon as, at first, then, later, meanwhile, at the beginning, in the end, before long, for the first(second…)time, the minute等。 4. 表转折关系的连接词:yet, and yet, but , while, on the contrary, on the other hand, however, at the same time(然而)等。 5. 表解释说明的连接词:that is, that is to say, in other words, such as, for instance, and so on, etc. and the like等。 6. 表递进关系的连接词:not only…but (also), what,s more, what"s worse, besides, in addition, worse still, moreover, above all等。 7. 表示总结的连接词:in a word, on the whole, in short, briefly, in brief, to sum up, in all等。 英文连接词是连接英文单词的词,如also,and等。英语有486,000个左右的单词,而连接词却只有70个左右,它们总是非常高频率的出现在各类文章、对话、电邮等英语实际沟通中。 英文连接词像胶水一样将相关联的句子连接起来,国际心理学家、语言学家、教育家Chris Lonsdale 龙飞虎又把它称之为“胶水词”。胶水词就像英语的骨架一样重要,学会了胶水词,同时拥有词组的累积,就可以轻松灵活的造出任何需要的长句。 3. 英语作文连接词有哪些 原发布者:水瓶crystal5 英语中常用的连接词1.表示罗列增加:First,second,third,First,then/next,afterthat/next,finallyForohing…foranother…,On(the)onehand…ontheotherhand,Besides/what" *** ore/inaddition/furthermore/moreover/another/also,Especially/Inparticular,2.表示时间顺序:now,atpresent,recently,after,afterwards,afterthat,afterawhile,inafewdays,atfirst,inthebeginning,tobeginwith,later,next,finally,immediately,soon,suddenly,allofasudden,atthatmoment,assoonas,themomentformnowon,fromthenon,atthesametime,meanwhile,till,not…until,before,after,when,while,asduring,3.表示解释说明:now,inaddition,forexample,forinstance,inthiscase,moreoverfurthermore,infact,actually4.表示转折关系:but,however,while,though,or,otherwise,onthecontrary,ontheotherhand,incontrast,despite,inspiteof,eventhough,except(for),instead,ofcourse,afterall,5.表示并列关系:or,and,also,too,notonly…butalso,aswellas,both…and,either…or,neither…nor,for6. 4. 英语作文中好的连接词有哪些 1. 表示强调的连接词 still,Indeed, apparently, oddly enough, of course, after all,significantly,obviously,interestingly, also, above all, surely, certainly, undoubtedly, in any case, anyway, above all, in fact, especially,clearly.2. 表示比较的连接词 like, similarly, likewise, in the same way, in the same manner, equally.3. 表示对比的连接词 by contrast, on the contrary, while, whereas, on the other hand, unlike, instead, but, conversely, different from, however, nevertheless, otherwise, whereas, unlike, yet, in contrast.4. 表示列举的连接词 for example, for instance, such as, take 。 for example. Except (for), to illustrate.5. 表示时间的连接词 later,next, then, finally, at last, eventually, meanwhile, from now on, at the same time, for the time being, in the end, immediately, in the meantime, in the meanwhile, recently, soon, now and then, during, nowadays, since, lately, as soon as, afterwards, temporarily, earlier, now, after a while.6. 表示顺序的连接词 first, second, third, then, finally, to begin with, first of all, in the first place, last, next, above all, last but not the least, first and most important.7. 表示可能的连接词 presumably, probably, perhaps.8. 用于解释的连接词 in other words, in fact, as a matter of fact, that is, namely, in simpler terms.9. 表示递进的连接词 What is more, in addition, and, besides, also, furthermore, too, moreover, furthermore, as well as, additionally, again.10. 表示让步的连接词 although, after all, in spite of。, despite, even if, even though, though, admittedly, whatever may happen.11. 表示转折的连接词 however,rather than, instead of, but, yet, on the one hand, on the other hand,unfortunately. whereas; some, others; here, there; on the contrary; in contrast to; in spite of; not only。 but also; while;although;nevertheless,years ago。today; this。 that; the former。the later; then。 now; the first。whereas the second; once。 now12. 表示原因的连接词 for this reason, due to, thanks to, because, because of, as, since, owing to.13. 表示结果的连接词 as a result, thus, hence, so, therefore, accordingly, consequently, as consequence.14. 用于总结的连接词 on the whole, in conclusion, in a word, to sum up, in brief, in summary, to conclude, to summarize, in short.15. 其他类型连接词 Mostly,occasionally, currently, naturally, mainly, exactly, evidently, frankly, monly, for this purpose, to a large extent, for most of us, in many cases, in this case。 5. 英语作文连接词有哪些 这个太多了 你在文库里搜搜“作文模板” 很多~一) 连接词 (1)表选择关系或对等关系的连接词:either…or…,neither…nor, or, as well as…, and, both…and…。 (2)表因果关系或对等关系的连接词:therefore, so, as a result, as the result of …,because of, due to …,owing to, thanks to等。 (3)表时间顺序的连接词:the moment, as soon as, at first, then, later, meanwhyle, at the beginning, in the end, before long, for the first(second…)time, the minute等。 (4)表转折关系的连接词:yet, and yet, but , while, on the contrary, on the other hand, however, at the same time(然而)等。 (5)表解释说明的连接词:that is, that is to say, in other words, such as, for instance, and so on, etc. and the like等。 (6)表递进关系的连接词:not only…but (also), what,s more, what"s worse, besides, in addition, worse still, moreover, above all等。 (7)表示总结的连接词:in a word, on the whole, in short, briefly, in brief, to sum up, in all等。 (三)注意以下过渡词的用法 1、表示时间的 af first 起初 next 接下来 then 然后 after that 那以后 later 后来 soon 不久 soon/shortly after ……之后不久 finally 最后 in the end 最后 eventually 最终 at last 终于 lately 近来 recently 最近 since then 自从那时起 after that 那以后 in no time 不一会儿 after a while 一会儿 afterward 后来 to begin/start with=in the first place 首先、第一点 immediately 立即、马上 meanwhile=in the meantime=at the same time 在此期间、同时 earlier, until now 直到现在 suddenly=all of a sudden 突然 as a young man 当…… 是个年轻人的时候 at the age of… 在……岁的时候 as early as 早……的时候 as soon as 一……就…… before, the other day 几天前 early in the morning 大清早 after/before dark 天黑后/前 one day 有一天 one afternoon 一天下午 one morning 一天早晨 2、表示空间的 to the right/left 朝右/左 on the rinht/left 在右/左边 in the middle of 在中间 in front of 在前面 in the front of 在前面 at the back of 在后面 at the bottom of 在底部 on the edge of 在……的边上 on top of 在……的顶部 opposite to 与……相对 close to 靠近 near to 在……附近 next to 与……相邻 under 垂直在下 over 垂直在上 below 在下方 above 在上方 across 在……的另一边 around 在周围 behind 在后 before 在前 against 靠着、抵着 further on 再往前 3、表示列举和时序 first, second, third…finally firstly, secondly, thirdly…finally first of all, next then, lastly for one thing…for another… at the same time at first at last 4、表示列举 for example 例如:…… namely 即…… for instance 例如:…… that is (to say) 也就是说 such as 如…… take…for example 拿……来说 like 像…… 5、表示比较或对比 like 像 unlike 不像 similarly 同样地 in the same way 以相同的方式 pared to 与……相比 while 而 still=nevertheless 然而 on the contrary 正相反 different from 与……不同 on (the) one hand…on the other hand 一方面……另一方面 in contrast with 与……成对比 6、表示增补 and 而且 both…and 不但……而且 not only…but also 不但……而且 as well as 不但……而且 also=besides=furthermore=more over 此外、而且 in addition 并且 apart from 除了……之外 what"s more 而且、更重要的 for another 另一方面 worse still=what"s worse=to make matter worse 更糟糕的是 including 包括 7、表示因果 because 因为 since 既然 as 由于 now that 既然 therefore 因此 thus 这样 so 所以 as a result (of) 结果 because of=on account of 因为 thanks to 多亏、由于 for this reason 由于这个原因 if so 如果这样 if not 如果不是这样 8、表示目的 for this purpose in order to do so as to do so that… in order that… 9、表示让步 though/although no matter+疑问句 in spite of whatever/however/whoever even if/ even though 10、表示递进或强调 besides 况且 what"s more 更重要地是 thus 这样 above all 首先 indeed 的确 in fact/ as a matter of fact 事实上 in other words 换句话说 in that case 那样的话 or rather 更确切地说 particularly 特别地 11、表示转折 but 但是 still 然而 however 然而 while 而 12、表示总结 in a/one word 简言之、一句话、总之 generally speaking 一般说来 in short=in a few words 简言之 in conclusion=lastly 最后地 on the whole=taking everything into consideration 从总体来看、大体上 so 所以 therefore 因此 thus 这样 as has been mentioned 正如所提到的 it is quite clear that 很显然 there is no doubt that 毫无疑问 it is well-known that 大家都知道 as we all know=as is known to us all 大家都知道 as/so far as I know 据我所知 to sum up=to summarize=in summary 总之 13、表示转折话题 by the way 顺便说 I am afraid 我恐怕 in my opinion 依我看来 to tell the truth 说实话 to be honest 诚实地说 in face 事实上。 6. 【英语作文中的连词高级连词】 【亲,我觉得《10天搞定托福essay》中的Day 5,详细讲linkers,其中的连词很好用,还附上详细用法.如果亲没看过这本书,不妨看看我传的附件,附上了这本书】以下内容截取自该书的Day 5,“连词(linkers)”那一章一、表原因的连词: as, since, due to, owing to二、表结果的连词hence, therefore, thus, as a consequence, consequently, so that三、表目的的连词thereby, in order to四、举例关系中用的连词take。 for example, for instance, such as, this point is best illustrated with the example of 。五、类比与对比关系时用的连词similarly, likewise,while, whereas, in contrast六、让步关系中用的连词despite, in spite of, noishstanding, noheless, nevertheless, even though, albeit, as long as七、假设关系中用的连词otherwise, provided that, unless八、限定关系in terms of, as for, when it es to, regarding, concerning。 7. 英语作文连接词 1. in/ by contrast 对比之下 2. unfortunately 不幸地 3. though/ although 尽管 4. even though 即使 5. anyway 无论如何 6. after all 毕竟 7. all the same 依然; 照样 8. in fact/ as a matter of fact 事实上 9. fortunately 幸运地 10. however 然而 11. in spite of 尽管; 虽然 12. at the same time 同时; 然而 13. otherwise 否则 14. on the contrary 相反 15. especially 尤其 16. There are o sides to everything. 有关 “承” 的连接词语, 用来承接上下文. 1.by this time 此时 2. at the same time 同时 3. after a while 过了一会儿 4. after a few days 几天以后 5. second/ secondly 第二; 第二点 6. in addition 另外 7. besides/ what"s more 另外 8. by the way 顺便提一句 9. in other words 换句话说 10. in particular/ particularly 特别地 11. worse still 更糟的是 11.in the same way 同样地 12.obviously 明显地 13. no doubt 无疑地 14. for example/ for instance 例如 15. therefore 因此 16. indeed 的确 17. unlike 不象… 18. certainly 当然 19. for another 其次 20. still 仍然 21.similarly 同样地 英语作文中表因果的连接词 therfore consequently because of for the reason thus hence due to owing to so accordingly thanks to on this account since as on that account in this way for as a result as a consequence 有关 “起” 的 l 连接词语, 用语开篇或引出扩展句. 1. at first/ in the beginning 起初 2. at present 现在; 当今 3. recently/ lately 最近 4. first/ firstly/ first of all 第一 5. generally speaking 一般地说 6. on the whole 总的说来 7. It is well understood that … 8. There goes a saying that …. 9.for one thing… for another/ also 首先…其次 10.presently 此刻; 现在 11. to begin with/ to start with 首先; 第一 12. in general 一般来说 13. on the one hand… on the other hand 一方面… 另一方面 14. As the saying goes, "…
2023-07-27 18:03:051

out of left field是什么意思

out of left field adj.突如其来地;不知从哪儿冒出来的
2023-07-27 18:03:122

out of left field是什么意思? 什么性的词组

left fieldn.[棒球] <美> 左外野left fieldleft fieldn.(名词)Abbr. LFBaseball 缩写 LF【棒球】 The third of the outfield that is to the left, looking from home plate.左外场:从本垒板处看起来左边外场的第三个The position played by the left fielder.左外野手所分管的位置Informal A position far from the center or mainstream, as of opinion or reason:【非正式用语】 一个远离中心或主流的位置,如观点或原因:opinions that are out in left field.不合理的意见left fieldleft fieldn.Abbr. LFBaseball The third of the outfield that is to the left, looking from home plate.The position played by the left fielder.Informal A position far from the center or mainstream, as of opinion or reason:opinions that are out in left field.
2023-07-27 18:03:213

you have left a "m" out of "commom"改错

正确的说法:You hve left an "m" out of "common". 你漏掉了"common"里面的一个“m”。分析:m的音标是元音字母开头的,所以它前面的冠词用an。
2023-07-27 18:03:291

to come out of left field在俗语中的含义?谢谢。

快来,好几口人的饭菜
2023-07-27 18:03:372

turn left是什么意思呢

左转
2023-07-27 18:03:455

set off for ,set out for, set off to, left for区别

set out 和set off的区别set out和set off都有出发的意思,区别:set off更含开始(旅行、赛跑等)的意思,例:what time are you planning to set off tommorrow?你明天打算几点钟启程?they"ve set off on a journey round the world.他们已经开始环游世界.set out意思是从某地出发上路例:she set out at dawn.她天一亮就动身了.这个我看了..可是解释的不是很清楚...那下面例子谁能解释下:Tom will set out at eight o"clock.Nick adn i set off early in the morning.
2023-07-27 18:04:062

you have left a "m" out of "commom"改错

a改为an因为m的发音是/em/,/e/是元音。所以用an.元音字母开头不一定发元音。
2023-07-27 18:04:142

莫比斯环是什么?

一个维一的单面图形,是一个高年级才学的。
2023-07-27 17:57:194

华为ego性能版与全网通区别

华为ego性能版与全网通区别:1、华为MateBookEGo只有一个卡槽,华为平板全网通有3个卡槽。2、华为MateBookEGo是一款屏幕和键盘可分离的(二合一笔记本),它的主机部分是一款轻至710g的12.35英寸平板电脑,便携性不输同尺寸的安卓平板,电源键集成指纹识别功能。3、华为平板全网通,可以插入三大运营商的卡片进行上网。
2023-07-27 17:57:191

天工开物u30fb上篇u30fb作咸原文及翻译,天工开物u30fb上篇u30fb作咸原文及翻译

  天工开物·上篇·作咸原文及翻译   上篇·作咸   作者:宋应星   宋子曰:天有五气,是生五味。润下作咸,王访箕子而首闻其义焉。口之于味也,辛酸甘苦经年绝一无恙。独食盐禁戒旬日,则缚鸡胜匹倦怠恹然。岂非“天一生水”,而此味为生人生气之源哉?四海之中,五服而外,为蔬为谷,皆有寂灭之乡,而斥卤则巧生以待。孰知其所已然。   ○盐产   凡盐产最不一,海、池、井、土、崖、砂石,略分六种,而东夷树叶,西戎光明不与焉。赤县之内,海卤居十之八,而其二为井、池、土碱。或假人力,或由天造。总之,一经舟车穷窘,则造物应付出焉。   ○海水盐   凡海水自具咸质,海滨地高者名潮墩,下者名草荡,地皆产盐。同一海卤传神,而取法则异。一法高堰地,潮波不没者,地可种盐。种户各有区画经界,不相侵越。度诘朝无雨,则今日广布稻麦稿灰及芦茅灰寸许于地上,压使平匀。明晨露气冲腾,则其下盐茅勃发,日中晴霁,灰、盐一并扫起淋煎。一法潮波浅被地,不用灰压。候潮一过,明日天晴,半日晒出盐霜,疾趋扫起煎炼。一法逼海潮深地,先掘深坑,横架竹木,上铺席苇,又铺沙于苇席上。俟潮灭顶冲过,卤气由沙渗下坑中,撤去沙、苇,以灯烛之,卤气冲灯即灭,取卤水煎炼。总之功在晴霁,若淫雨连旬,则谓之盐荒。又淮场地面有日晒自然生霜如马牙者,谓之大晒盐。不由煎炼,扫起即食。海水顺风飘来断草,勾取煎炼名蓬盐。   凡淋煎法,掘坑二个,一浅一深。浅者尺许,以竹木架芦席于上,将扫来盐料(不论有灰无灰,淋法皆同)铺于席上。四围隆起作一堤当形,中以海水灌淋,渗下浅坑中。深者深七八尺,受浅坑所淋之汁,然后入锅煎炼。   凡煎盐锅古谓之牢盆,亦有两种制度。其盆周阔数丈,径亦丈许。用铁者以铁打成叶片,铁钉栓合,其底平如盂,其四周高尺二寸,其合缝处一以卤汁结塞,永无隙漏。其下列灶燃薪,多者十二三眼,少者七八眼,共煎此盘。南海有编竹为者,将竹编成阔丈深尺,糊以蜃灰,附于釜背。火燃釜底,滚沸延及成盐。亦名盐盆,然不若铁叶镶成之便也。凡煎卤未即凝结,将皂角椎碎,和粟米糠二味,卤沸之时投入其中搅和,盐即顷刻结成。盖皂角结盐犹石膏之结腐也。   凡盐淮扬场者,质重而黑。其他质轻而白。以量较之。淮场者一升重十两,则广、浙、长芦者只重六七两。凡蓬草盐不可常期,或数年一至,或一月数至。凡盐见水即化,见风即卤,见火愈坚。凡收藏不必用仓廪,盐性畏风不畏湿,地下叠稿三寸,任从卑湿无伤。周遭以土砖泥隙,上盖茅草尺许,百年如故也。   ○池盐   凡池盐,宇内有二,一出宁夏,供食边镇;一出山西解池,供晋、豫诸郡县。解池界安邑、猗氏、临晋之间,其池外有城堞,周遭禁御。池水深聚处,其色绿沉。土人种盐者池傍耕地为畦陇,引清水入所耕畦中,忌浊水,参入即淤淀盐脉。   凡引水种盐,春间即为之,久则水成赤色。待夏秋之交,南风大起,则一宵结成,名曰颗盐,即古志所谓大盐也。以海水煎者细碎,而此成粒颗,故得大名。其盐凝结之后,扫起即成食味。种盐之人。积扫一石交官,得钱数十文而已。其海丰、深州引海水入池晒成者,凝结之时扫食不加人力,与解盐同。但成盐时日,与不藉南风则大异也。   ○井盐   凡滇、蜀两省远离海滨,舟车艰通,形势高上,其咸脉即韫藏地中。凡蜀中石山去河不远者,多可造井取盐。盐井周围不过数寸,其上口一小盂覆之有余,深必十丈以外乃得卤性,故造井功费甚难。   其器冶铁锥,如碓嘴形,其尖使极刚利,向石山舂凿成孔。其身破竹缠绳,夹悬此锥。每舂深入数尺,则又以竹接其身使引而长。初入丈许,或以足踏锥梢,如舂米形。太深则用手捧持顿下。所舂石成碎粉,随以长竹接引,悬铁盏挖之而上。大抵深者半载,浅者月余,乃得一井成就。   盖井中空阔,则卤乞游散,不克结盐故也。井及泉后,择美竹长丈者,凿净其中节,留底不去。其喉下安消息,吸水入筒,用长ㄌ系竹沉下,其中水满。井上悬桔槔、辘轳诸具,制盘驾牛。牛曳盘转,辘轳绞ㄌ,汲水而上。入于釜中煎炼,(只用中釜,不用牢盆。)顷刻结盐,色成至白。   西川有火井,事奇甚。其井居然冷水,绝无火气,但以长竹剖开去节合缝漆布,一头插入井底,其上曲接,以口紧对釜脐,注卤水釜中。只见火意烘烘,水即滚沸。启竹而视之,绝无半点焦炎意。未见火形而用火神,此世间大奇事也,凡川、滇盐井逃课掩盖至易,不可穷诘。   ○末盐   凡地碱煎盐,除并州末盐外,长芦分司地土人,亦有刮削煎成者,带杂黑色,味不甚佳。   ○崖盐   凡西省阶、凤等州邑,海井交穷。其岩穴自生盐,色如红土,恣人刮取,不假煎炼。    文言文翻译:   宋先生说:自然界有五种气,于是相应地产生了五种味道。水性向下渗透并具有咸味这一事,周武王访问箕子后才开始懂得了这个道理。对于人来说,五味中的辣、酸、甜、苦,长期缺少其中任何一种对人的身体都没有多大影响,唯独盐,十天不吃,人就会像得了重病一样无精打采、软弱无力,甚至连只鸡也抓不住。这岂不正是说明首先是因为“天一生水”,即自然界产生了水,而水中产生的咸味正是人生命力的源泉吗?全国各地,无论是在京郊、内地,还是僻远的边疆,到处都有不长蔬菜和谷物等庄稼的不毛之地,然而即便在这些地方,食盐也能巧妙分布各处以待人们享用。有谁能知道这是怎么个道理呢?   盐产   食盐的种类很多。大体上可以分为海盐、池盐、井盐、土盐、崖盐和砂石盐等六种,但是东部少数民族地区出产的树叶盐和西部少数民族地区出产的光明盐还不包括在其中。在我国的广阔幅员之中,海盐的产量约占五分之四,其余五分之一是井盐、池盐和土盐。这些食盐有的是靠人工提炼出来的,有的则是天然生成的。总之,凡是在交通运输不便、外地食盐难以运到的地方,大自然都会就地提供出食盐以备人之用。   海水盐   海水本身就具有盐分这种咸质。海滨地势高的地方叫做潮墩,地势低的地方叫做草荡,这些地方都能出产盐。同样是用海盐,但制取海盐所用的方法却各不相同。一种方法是在海潮不能浸漫的岸边高地上取盐,各户都有自己的地段和界线,互不侵占。估计第二天会天晴,于是就在当天将一寸多厚的稻、麦稿灰及芦苇、茅草灰遍地撒上、压紧并使其平匀。第二天早上,地下湿气和露气都很重,灰下已经结满了盐茅。等到雾散天晴,过了中午就可以将灰和盐一起扫起来,拿去淋洗和煎炼。另一种方法是,在潮水浅浅的地方,不用撒灰,只等潮水过后,如果第二天天晴,半天就能晒出盐霜来,然后赶快扫起来,加以煎炼。还有一种方法是在能被海潮淹没的地方预先挖掘一个深坑,上面横架竹或木棒,竹木上铺苇席,苇席上铺沙。当海潮盖顶淹过深坑时,卤气便通过沙子渗入坑内,将沙子和苇席撤去,用灯向坑里照一照,当卤气能把灯冲灭的时候,就可以取卤水出来煎炼了。总之,成功的关键在于能否天晴,如果阴雨连绵多日,盐被迫停产,这就叫做“盐荒”。在江苏淮扬一带的盐场,人们靠日光把海水晒干,这种经过日晒而自然凝结的盐霜好像马牙似的,就叫做“大晒盐”,不需要再次煎炼,扫起来就可以食用了。此外,利用海水中顺风漂来的海草,人们捞起来熬炼而制出的盐叫做“蓬盐”。   盐的淋洗和煎炼的方法是挖一浅一深两个坑。浅的坑深约一尺左右,上面架上竹或木,在上面铺芦席,将扫起来的盐料(不论是有灰的还是无灰的,淋洗的方法都是一样的),铺在席子上面,四周堆得高些,做成堤坝形,中间用海水淋灌,盐卤水便可以渗到浅坑之中;深的坑约七到八尺深,接受浅坑淋灌下的盐水,然后倒入锅里煎炼。   煎盐的锅古时候叫做“牢盆”,这种牢盆的周长有好几丈,直径也有一丈多,只有两种规格和形制。其中一种是用铁做的,把铁锤打成叶片,再用铁钉铆合,盆的底部像盂那样平,盆深约一尺二寸,接口处经过卤汁结晶后堵塞住,就不会再漏了。牢盆下面砌灶烧柴,灶眼多的能有十二三个,灶眼少的也有七八个,用柴火同时烧煮一个锅。南海地区还有另外一种制法,那是用竹篾编成一个锅围的,锅围的直径约一丈、深约一尺。在锅围上糊上蛤蜊灰并衔接在锅的边上。锅下烧火到使卤水沸腾,一直到逐渐结成盐。这种盆也叫做“盐盆”,但总的来说不如用铁片做成的锅那样方便省事。煎炼盐卤汁的时候,如果没有即时凝结,可以将皂角舂碎掺和小米糠一起投入沸腾的卤水里搅拌均匀,盐分便会很快地结晶成盐粒。加入皂角而使盐凝结,就好像做豆腐时使用石膏一样。   江苏淮扬一带出产的盐,又重又黑,其他地方出产的盐则是又轻又白。从重量上比较,淮扬盐场的盐,一升重约十两,而广东、浙江、长芦盐场的盐就只有六七两重。蓬草盐的来源不太可靠,蓬草有时好几年来一次,也有时一个月就来好几次,因此不能经常指望它。   盐遇到水后就会溶解,遇到风后就会流盐卤,碰上火却愈发坚硬。储藏盐不必用仓库。盐的特性是怕风吹但不怕地湿,只要在地上铺三寸来厚的稻草秆,任凭地势低湿也没有什么妨害的。如果周围再用砖砌上,缝隙用泥封堵上,上面盖上一尺多厚的茅草,这样即使放置一百年也不会发生变质。   池盐   我国有两个池盐产地,一处是在宁夏,出产的食盐供边远地区食用;另一处是山西解池,出产的食盐供山西、河南各郡县食用。解池位于河南安邑、猗氏和临晋之间,它的四周筑有城墙用来防卫保护盐池。池水深的地方,水呈现为深绿色。当地制盐的人,在池旁耕地耕成畦垄,把池内清水引入畦垄之中。但是要注意提防浊水流入,否则就将造成泥沙淤积盐脉。   每到春季就要开始引池水制盐,时间太晚了水就会变成红色。等到夏秋之交南风劲吹的时候,一夜之间就能凝结成盐,这种盐名叫“颗盐”,也就是古书上所说的“大盐”。因为海水煎炼的盐细碎,而池盐则成颗粒状,所以得到了“大盐”的称号。池盐一经凝结成形后就可扫起供人食用。制盐的人,制成一石盐上交给官府,也不过只得几十文铜钱而已。在海丰和深州地区,把海水引入池内晒成的盐,凝结后扫起就可食用了,而不需再煎炼加工,这一点和池盐是一样的。但成盐的时间,以及它不需依靠南风吹这两点,就跟池盐大不相同了。   井盐   云南和四川两省,离海滨距离很远,交通也不便利,地势又很高,因此那两个省的盐就蕴藏在当地的地下。在四川离河不远的石山上,大多都可以凿井取盐。盐井的圆周不过几寸,盐井的上口用一个小盂便能盖上,而盐井的深度必须要达到十丈(三十多米深)以上,才能到盐卤水层,因此凿井的代价很大,要花费很长时间,也很艰难。   凿井的工具,使用的是铁锥,铁锥的形状很像碓嘴,要把铁锥的尖端做得非常坚固锋利,才能用它在石上冲凿成孔。铁锥的锥身是用破开两半的竹片夹住,再用绳缠紧做成的。每凿进数尺深,就要用竹竿子把它接上以增加它的身长。起初的这一丈多深,可以用脚踏碓梢,就像舂米那样。再深一些就用两手将铁锥举高然后再用力夯下去,这可能把石头舂得粉碎,随后把长竹接在一起再捆上铁勺,把碎石挖出来。打一眼深井大约需要半年左右的时间,而打一眼浅井一个多月就能够成功了。如果井眼凿的过大,卤气就会游散,以致不能凝结成盐。当盐井凿到卤水层能打出水后,挑选一根长约一丈的好竹子,将竹内的节都凿穿,只保留最底下的一节,并在竹节的下端安一个吸水的单向阀门以便汲取盐水入筒。用长绳拴上这根竹筒,将它沉到井底之下,竹筒内就会汲满了盐水。井上安装桔槔或辘轳等提水工具。操作方法是套上牛,用牛拉动转盘而带动辘轳绞绳把盐水汲上来。然后将卤水倒进锅里煎炼(只用中等大小的锅,而不用牢盆),很快就能凝结成雪白的盐了。   四川西部地区有一种火井,非常奇妙,火井里居然全都是冷水,完全没有一点热气。但是,把长长的竹子劈开去掉竹节,再拼合起来用漆布缠紧,将一头插入井底,另一头用曲管对准锅脐,把卤水接到锅里,只见热烘烘的,卤水很快就沸腾起来了。可是打开竹筒一看,却没有一点烧焦的痕迹。看不见火的形象而起到了火的作用,这真是人世间的一大奇事啊!   四川、云南两省的盐井,很容易逃避官税,难以追查。   末盐   用地碱煎熬的盐,除了并州的粉末盐之外,家住河北沿渤海湾一带的人们,也经常刮取地碱熬盐,但是这种盐含有杂质,颜色比较黑,味道也不太好。   崖盐   陕西省的阶州、凤县等地区,既没有海盐又没有井盐,但是当地的岩洞里却出产食盐,看上去很像红土块儿,任凭人们刮取食用,而不必通过煎炼。 文言文翻译 汉书原文及翻译
2023-07-27 17:57:221

碧昂丝诺斯的Ego中文是什么?(要整首歌的)

ego 是自我保护、Hey baby how you doing? hi宝贝.你们好么? You know Im gonna cut right to the chase 让我们直接切入重点. Some women were made 一些女人是普通制造的 But me, myself 但是我..我自己 I like to think I was created 我喜欢认为我自己是富有创意被创造出的(暗指她是与众不同的女人) For a special purpose 只由于一个特别的宗旨 You know, whats more special than you, you feel me? 你知道...有什么可以比你更特别?...明白我的意思么? Its on, baby lets get lost 现在就来,宝贝让我们一起迷失 You dont need to call into work, cuz youre the boss 你不需要打电话给你办公室(一般特指请假)...因为你就是老板 For real want you to show me how you feel 真的想要你展示 你的感受 I consider myself lucky thats a big deal 我认为自己很幸运.是了不起的 Why, well, you got the key to my heart 为什么?..well, 你可以用钥匙去打开我的心脏 But you aint gonna need it 但是你不会需要它 Id rather you open up my body 我更希望你打开我的躯壳 And show me secrets You didnt know was inside, 给我看你所不知的秘密 No need for me to lie 我不必对你撒谎.. Its too big 它的很大 Its too wide 它的很宽 Its too strong 它的很坚强 It wont fit 即将装不下 Its too much 太多 Its too tough 太不屈不挠 He talks like this 他讲话的时候就是这个样子(说明他很有自信..可以侃侃而谈) Cuz he can back it up 因为他可以自信起来 He got a big ego 他有他的自大 Such a huge ego 非常自大 I love his big ego 我爱他自大 Its too much 很多 He walks like this 他走路就是这个样子(说明他走路很有自信很帅很man) Cuz he can back it up 因为他可以自信起来.
2023-07-27 17:57:121

palm angels什么品牌

Palm Angels是一个来自意大利的高端时尚衣服品牌。Palm Angels创立时间于2015年,主创设计师是Francesco Ragazzi。曾担任Moncler艺术总监的米兰人Francesco Ragazzi,在2014年推出了一本表现加州滑板文化的黑白摄影书,这本书名字就叫《Palm Angels》。随着这本书的出版与这本书相同调性的太阳眼镜与T恤的推出,在2015年秋冬品牌Palm Angels应运而生。Palm Angels是一个意大利街头潮牌,也是很多潮人们的出街新宠,由Moncler艺术总监,意大利摄影师Francesco Ragazzi于2015年创立,品牌每个系列都充分诠释了设计师以滑板文化为灵感的独特视野,展现出毫不含糊的新颖度和潮流契合度。对Palm Angels的衣服的评价:Palm Angels彩虹渐变卫衣简直太美,穿上衬得肤色粉嫩,不能更赞!这款渐变衣服品质面料都非常完美,内里毛圈棉,厚度适中,手感柔软舒适,粉色调的渐变色真的太美了。连帽落肩宽松廓型,对身材的包容性很好,后背字母印花,整件衣服细节超精美,超级推荐!
2023-07-27 17:57:111

鼎的天工开物·鼎

(1)“惟禹铸九鼎”一段:防止后世人君之横征暴敛,征索外国之奇技淫巧,以及治河之时不由故道。这种说法不论是否符合历史真实情况,但宋应星怀有忧国忧民之心,并以此对当时有所影射,是很明显的。(2)“年代久远”一段:此言关于禹铸九鼎的另一种说法是荒谬错误的。由于年代久远,九鼎上刻画的九州方物已经漫灭变形,于是一些人就把稀奇的东西当做各地神怪,从而传出禹造九鼎以刻画神怪,致使人多识怪魅之形以回避的说法。(3)此鼎入秦始亡:先秦典籍多言周有九鼎,为诸强觊觎,而终为秦所取,及秦亡,九鼎亦不知所之,但未言此九鼎即禹所铸之九鼎。以为禹铸者,乃见于后世之说。 铸鼎的史实在尧舜以前就已无法考证了,至于传说夏禹铸造九鼎,那是因为当时九州根据各地现有条件和生产能力而缴纳赋税的条例已经颁布,各地每年进贡的物产和品种已经有了具体规定,河道也已经疏通,《禹贡》这部书已经写成了。但是由于恐怕后世的帝王增加赋税来敛取百姓财物,各地诸侯用一些由奇技淫巧做出来的东西冒充贡品,以及后来治水的人也不再按照原来的一套办法,于是,夏禹把这一切都铸刻在鼎上,令规也就不会像书籍那样容易丢失了,使后人有所遵守而不能任意更改,这就是当时夏禹铸造九鼎的原因。经过了许多年代,刻在鼎上的画像,如蚌珠、暨鱼、狐狸、毛织物以及兽皮之类,也可能因为锈蚀而变了样,学问不深和见识浅薄的人就以为这是怪物。因此,《左传》中才有禹铸鼎是为了使百姓懂得识别妖魔鬼怪而避免受到妖魔伤害的说法。这些鼎到了秦朝时就绝迹了,而春秋时期郜国的大鼎和莒国的两个方鼎,都是诸侯国铸造的,即使有一些刻画,也必定不合于《禹贡》的原意,只不过名为古旧之物罢了。后世的图书已经多了好几百倍,就不必再铸鼎了,这里特地提一下。
2023-07-27 17:57:091