牛津高阶英汉双解中的capital 和grade解释是什么,急,

Capital
noun
CITY 城市
(figurative)Pairs,the fashion capital of the world巴黎——世界时装之都
MONEY 金钱
[techinical 术语] people who use their money to start businesses, considered as a group 资方
LETTER 字母
a letter of the form and size that is used at the beginning of a sentence or a name大写字母
ARCHITECTURE 建筑
the top part of a column柱顶；柱头
adj.
PUNISHMENT 惩罚
a capital offence 死罪
LETTER 字母
having the form and size used at the beginning of a sentence or a name 大写的
EXCELLENT 优秀
顶好的,极好的
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grade
noun
1 the quality of a particular product or material（产品、材料的）等级、品级
2 a level of ability or rank that sb has in an organisation 级别；职别
3 a mark given in an exam or for a piece of school work 成绩等级；评分等级
4 [in the US school system] one of the levels in a school with children of similar age 年级
5 （techinical 术语）how serious an illness is （疾病的）程度,阶段
6 [especially NAmE] =GRADIENT(1)
7 (BrE) a level of exam in musical skill（音乐考试的）级别,水平
verb
1 [often passive] to arrange people or things in groups according to their ability, quality ,size,etc. （按能力、质量、大小等将…）分级,分等,分类
2 [especially NAmE] to give a mark/grade to a student or to a piece of their wrtten work 给…评分；给…分数