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a的英文翻译是什么意思，词典释义与在线翻译：
详尽释义
art. (冠词)
- 每一
- （非特指的）一（个）
- 一种
- an在辅音前的形式
- 一副
- 任一
- 某一
- 用于可数名词或单数名词前
- （表示未曾提到的）一（人、事、物）
- 用于前有形容词或后有短语的不可数名词前
- 表示为某一群体或职业中的一员
- 用于视为一体的两个名词之前
- 用于某些数字前，代替 one
- 像（某人）的人，…式的人物
- 有个
- 用于一星期中某天的名称前，表示具体某一天
- 表示"第一"的符号
- 一
- 任何一个
- 英文字母表的第一字母
- 【数】第一已知数
- 优等
- 腺苷
- A字母的音
- A字母的活字
- A的
- 第一的
英英释义
Noun:
-
a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation
-
any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes
-
one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose)
-
(biochemistry) purine base found in DNA and RNA; pairs with thymine in DNA and with uracil in RNA
-
the basic unit of electric current adopted under the Systeme International d'Unites;
"a typical household circuit carries 15 to 50 amps"
-
the 1st letter of the Roman alphabet
-
the blood group whose red cells carry the A antigen
a的用法和样例：
例句
用作冠词 (art.)
- There is a pen on the table.
桌子上有一支笔。 - We have a problem.
我们有个问题。 - I can only carry two at a time.
我一次只能带两个。 - Let's go to a Chinese restaurant.
我们去一家中餐餐馆。 - A cat is an animal.
猫是动物。
词汇搭配
- with a pinch of salt 有保留地
- stand a chance 有希望
- a dose of one's own medicine 自己惹来的恶果,自己...
- flog a dead horse 徒劳无益
- keep a stiff upper lip 坚定不移(顽强不屈...
- a bag of bones 骨瘦如柴的人...
- once in a blue moon 罕见的，极少的，难得...
- show a clean pair of heels 逃走(溜之大吉)...
- birds of a feather 同类型的人
- with a grain of salt 有保留地
- bring to a stand 终止
- turn over a new leaf 重新开始
- as a matter of fact 事实上
- bring to a standstill 结束(使终止...
- turn up again like a bad penny 不要它偏又回来,挥去...
- at a loose end 无事做
- throw a fit 大发脾气
- blow a fuse 使保险丝熔断(勃然大...
- cut a poor figure 出丑
- take something with a grain of salt 将信将疑
经典引文
-
Now 'a is a-praying.
出自：Hamlet , Shakespeare -
Doctors, they knaws nowt, for a says what's nawways true.
出自： Tennyson -
I have..said many A prayer upon her grave.
出自：Winter's Tale , Shakespeare -
I had a dove and the sweet dove died.
出自： Keats -
As good a student As any in the house.
出自： C. Tomlinson -
They had passed and repassed each other a dozen times.
出自： M. Laski -
In Ealing on a Sunday Bell-haunted quiet falls.
出自： J. Betjeman -
The quene was brought a bedde.
出自： Ld Berners -
Stand a tip-toe.
出自：Henry V , Shakespeare -
That's enow a' conscience! Compounds:
出自： C. Tourneur
