A

noun

/eɪ/

(also a)

(plural As, A’s, a’s

/eɪz/

)

Idioms

[countable, uncountable] the first letter of the English alphabet英语字母表的第 1 个字母
- ‘Apple’ begins with (an) A/‘A’.apple 一词以字母 a 开头。
A
[countable, uncountable] (music音乐) the 6th note in the scale of C majorA 音（C 大调音阶的第六级音）
[countable, uncountable] A (in/for something) a grade that a student can get for a piece of work or course of study that shows that it is excellent（学业成绩）第一等，优，甲
- She got (an) A in biology.她生物得了A。
- He had straight A's (= nothing but A's) all through high school.他读中学时成绩全部是 A。
A
[uncountable] used to represent the first of two or more possibilities（表示两个或更多可能性中的）第一个
- Shall we go for plan A or plan B?我们采用第一方案还是第二方案？
A
[uncountable] used to represent a person, for example in an imagined situation or to hide their identity（代表一个假设的或不指名的人）甲
- Assume A knows B is guilty.假定甲知道乙有罪。

A

symbol

/eɪ/

used in the UK before a number to refer to a particular important roadA 级公路，干线公路（英国公路代号，后接数字）
- the A34 to Newbury通往纽伯里的 A34 号（干线）公路
used (but not in the US) before numbers that show standard metric sizes of paper（除美国外，用于数字前表示标准纸张尺寸）A…纸（尺寸）
- a sheet of A4 paper (= 297×210mm)一张 A4 纸（= 297 毫米 × 210 毫米）
- A3 (= 420×297mm)A3 纸（= 420 毫米 × 297 毫米）
- A5 (= 210×148mm)A5 纸（= 210 毫米 × 148 毫米）

词汇	A
释义	A noun /eɪ/ /eɪ/ (also a) (plural As, A’s, a’s /eɪz/ /eɪz/ ) Idioms [countable, uncountable] the first letter of the English alphabet英语字母表的第 1 个字母 ‘Apple’ begins with (an) A/‘A’.apple 一词以字母 a 开头。 A [countable, uncountable] (music音乐) the 6th note in the scale of C majorA 音（C 大调音阶的第六级音） [countable, uncountable] A (in/for something) a grade that a student can get for a piece of work or course of study that shows that it is excellent（学业成绩）第一等，优，甲 She got (an) A in biology.她生物得了A。 He had straight A's (= nothing but A's) all through high school.他读中学时成绩全部是 A。 A [uncountable] used to represent the first of two or more possibilities（表示两个或更多可能性中的）第一个 Shall we go for plan A or plan B?我们采用第一方案还是第二方案？ A [uncountable] used to represent a person, for example in an imagined situation or to hide their identity（代表一个假设的或不指名的人）甲 Assume A knows B is guilty.假定甲知道乙有罪。 see also A-frame, A level, A-road Idioms from A to B from one place to another从一地到另一地 For me a car is just a means of getting from A to B.在我看来，汽车只不过是从一地到另一地的代步工具。 from A to Z including everything there is to know about something从头到尾；彻底地；完全 He knew his subject from A to Z.他通晓自己的学科。 A symbol /eɪ/ /eɪ/ used in the UK before a number to refer to a particular important roadA 级公路，干线公路（英国公路代号，后接数字） the A34 to Newbury通往纽伯里的 A34 号（干线）公路 used (but not in the US) before numbers that show standard metric sizes of paper（除美国外，用于数字前表示标准纸张尺寸）A…纸（尺寸） a sheet of A4 paper (= 297×210mm)一张 A4 纸（= 297 毫米 × 210 毫米） A3 (= 420×297mm)A3 纸（= 420 毫米 × 297 毫米） A5 (= 210×148mm)A5 纸（= 210 毫米 × 148 毫米） A abbreviation /eɪ/ /eɪ/ (in writing) amp安，安培（电流单位）
随便看	pointings pointless pointlessly pointlessness pointlessnesses pointlessnesses pointlike point man point-man pointman point men point of contact point of departure point-off point of honour point of no return point of order point-of-order point of purchase point-of-purchase point of reference point-of-reference point of sale point-of-sale point-of-sales