placeholder是什么意思

aa二2022-10-04 11:39:541条回答

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zeroluo 共回答了20个问题 | 采纳率85%: placeholder
英[ˈpleɪshəʊldə(r)]
美[ˈplesˌholdɚ]
n.x09占位符
[例句]We use a _ placeholder shortcut again in another function literal that we pass to foreach.
我们在传给foreach的这个字面函数中再一次使用了一个_占位符.; 1年前

阅读理解. I'm daydaytest Placeholder! 　　Mr. Smith nev 阅读理解. I'm daydaytest Placeholder! Mr.Smith never watched TV.He thought that people spent too much time watching it.Some of his friends often talked about sports shows,the movies and plays.Mr.Smith said to himself,"They never read any books or go out in the evening." So he didn't buy a TV. Two years ago,Mr.Smith was 60 years old.He stopped working in the hospital.His son bought him a TV.He began to watch all the news.He knows much more about the world now.And he reads more books,too. Now,Mr.Smith will get very unhappy if you trouble(打扰) him when he is watching TV.I can't know that one can change(改变) his idea when he is 60. 1.Mr.Smith didn't watch TV because _____. A.he had no time to watch it B.he thought it took (占用) people much time to watch TV C.he couldn't buy the TV set D.he thought watching TV is bad for people's eyes 2.Mr.Smith _____ when he worked in the hospital. A.went to mountains B.played sports C.read books D.watched TV 3.Mr Smith didn't work in the hospital _____. A.after he was 60 B.before his son bought him a TV C.when his son asked him not to work D.after he liked watching the news 4.Mr.Smith is _____ now. A.58 B.60 C.62 D.61 5.The black word "unhappy" means _____ in Chinese. A.很高兴 B.很和蔼 C.不高兴 D.不理解 飞走的烤鹅1年前1: 游泳的鱼001 共回答了18个问题 | 采纳率94.4%

1-5 BCACC

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placeholder 海上的小王子1年前1: 123456笑话共回答了18个问题 | 采纳率94.4%

placeholder text
占位符文本
双语对照
词典结果：
网络释义
1.占位文本
例句:
Inline labels,where the label is placed inside the form field as placeholder text,arehorrible from a usability perspective.
标签在表单域中作为占位符文本的内联标签从可用性的角度看是糟糕而讨厌的.

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