A
[ e, ei, ? ]
第1級
其它 Other
art. 一（個）;每一（個）;任一（個）;
?? 例句
The ideal S(a)is called the saturation of a with respect to S.
理想S（a）稱作a關于S的飽和化。
If (a, b) (ba) then the graph is a directed graph.
如果（a，b）≠（b，a），則這個圖是有向圖。
If a = b, and b = c, then the necessary conclusion is that a = c.
設a = b, b = c, 則結論必定是a = c.
A subset S of a ring A is a subring of A.
環a的子集S叫作a的子環。
If a = b and b = c it follows that a = c.
設a = b, b = c, 則a = c.
? 同義詞
?? 牛津釋義
a
(also an ) indef art (The form a is used before consonant sounds and the form an before vowel sounds. Both are used before [C], [Cgp]
or [sing] ns that have not previously been made specific. a用於輔音前, an用於元音前. 兩者均用於前文未曾確指的可數單數名詞或集合名詞之前.)
1 one 一（個）: a man, hotel, girl, committee, unit, U-turn （一個）男人, 旅館, 姑娘, 委員會, 單位, U形轉彎 (Cf 參看 some men, hotels, girls, etc)
an egg, aunt, uncle, hour, X-ray, MP, L-plate （一個）蛋, 姑姑, 叔叔, 小時, X光照片, 下院議員, L字牌 (Cf 參看 some eggs, aunts, uncles, hours, etc)
I can only carry two at a time. 我一次只能攜帶兩個.
There's a book on the table is that the one you want? 桌子上有一本書--是不是你要的那一本?
2 (used with an abstract n that is restricted by the phrase which follows it 與抽象名詞連用時, 該名詞後須有限定性詞組)
There was still an abundance of food when we arrived. 我們抵達時還有很多食物.
We're looking for someone with a good knowledge of German. 我們正在找一個精通德語的人.
3 any; every 任何; 每一（個）
A horse is a quadruped. 馬是四足動物. (Cf 參看 Horses are quadrupeds.)
An owl can see in the dark. 貓頭鷹在黑暗中能看見東西. (Cf 參看 Owls can see...).
4 one single 單一的: He didn't tell us a thing about his holiday. 他度假的事對我們支字未提.
5 (used with ns followed byof + possess det + n + 's 與名詞+ of +所有格限定詞+名詞+ 's連用)
a friend of my father's, ie one of my father's friends 我父親的一個朋友
a habit of Sally's, ie one of Sally's habits 薩莉的一種習慣.
6 (used in front of two ns seen as a unit 用於可視為一體的兩個名詞之前)
a cup and saucer 一副杯碟
a knife and fork 一副刀叉.
7 to or for each; per 每一; 每: 2 a gallon 每加侖2英鎊
800 words a day 每天800字 * 50p a pound 每磅50便士.
8 (often derog 常作貶義) person like (sb) 像（某人）的人
My boss is a little Napoleon. 我的老板是個小拿破侖.
9 (used with sb's name to show that the speaker does not know the person 與某人姓名連用, 表示說話者不認識此人)
Do we know a Tim Smith? 咱們認識一個叫蒂姆?史密斯的人嗎?
A Mrs Green is waiting to see you. 有一位格林太太正等著見你.* A Doctor Simpson telephoned. 有一位辛普森醫生來過電話.
10 (used to show membership of a class 用以表示一群體中的成員)
My mother is a solicitor. 我母親是律師.
My father is a Fulham supporter. 我父親是富勒姆足球隊的球迷.
11 painting, sculpture, etc by 由...作的繪畫, 雕刻等
The painting my grandfather gave me turned out to be a Constable. 我祖父給我的那幅畫原來是康斯塔伯的作品. a NOTE ON USAGE 用法
Note that the sound of the first letter of an abbreviation, not its spelling, determines the form and pronunciation of the article before it 注意用於縮寫字前面的冠詞, 其詞形和讀音取決於該縮寫字的第一個字母的讀音, 而不取決於其書寫形式: an MP
an SRN * a UHF radio
the NSPCC * the USA. A abbr 縮寫 =
1 ampere(s): 13A, eg on a fuse 13安（如標於保險絲上者）.
2 answer. Cf 參看 Q.
3 (in academic degrees 在學位方面) Associate of
ARCM, ie Associate of the Royal College of Music 皇家音樂學院副研究員. Cf 參看 F2.
A symb 符號 (Brit) (of roads) major （指公路）A級（主干公路）
the A40 to Oxford 通往牛津的A級40號公路
an A-road 一條A級公路. Cf 參看 B.
?? 擴展釋義
*[ei]art. 一【計】 累加器, 加法器, 地址, 振幅, 模擬, 區域, 面積, 匯編, 組件, 異步【醫】 熱力效能
?? 醫學釋義
埃[10-10 米]
?? 同為「基礎」詞匯
查看全部基礎詞匯 ›??? 情景例句
Well, that would be OK
那倒沒有什么關系
From saving comes having.
富有來自節約。
Today Native Americans express their anger over this business deal.
今天，美國的土著人對這樁買賣仍然憤憤不平。