妙译网MIAOYI.NET

• a   /ə/ DJ   /ə/ KK   /eɪ/ DJ strong form   /e/ KK strong form
  • Variant:
    an   /ən/ DJ   /ən/ KK   /æn/ DJ, strong form   /æn/ KK, strong form
  • indefinite article
    • （用于可数名词或单数名词前，表示未曾提到的）一（人、事、物） used before countable or singular nouns referring to people or things that have not already been mentioned
      • 一个人；一匹马；一个单位 a man/horse/unit
      • 一个姑母；一个鸡蛋；一小时；一张 X 光片 an aunt/egg/hour/X-ray
      • 我一次只能带两个。 I can only carry two at a time.
      • 有位客人找你。 There's a visitor for you.
      • 她是我父亲的一位朋友。 She's a friend of my father's (= one of my father's friends).
    • （用于前有形容词或后有短语的不可数名词前） used before uncountable nouns when these have an adjective in front of them, or phrase following them
      • 精通法语 a good knowledge of French
      • 挥之不去的悲愁 a sadness that won't go away
    • 任何一；每一 any; every
      • 狮子是猛兽。 A lion is a dangerous animal.
    • （表示为某一群体或职业中的一员） used to show that somebody/something is a member of a group or profession
      • 他们的新轿车是辆宝马。 Their new car's a BMW.
      • 她是个佛教徒。 She's a Buddhist.
      • 他是个教师。 He's a teacher.
      • 那是莫奈的画吗？ Is that a Monet (= a painting by Monet)?
    • （用于视为一体的两个名词之前） used in front of two nouns that are seen as a single unit
      • 一副刀叉 a knife and fork
    • （用于某些数字前，代替 one） used instead of one before some numbers
      • 那里有一千人。 A thousand people were there.
    • （用于价格、数量、比率等）一，每一 used when talking about prices, quantities and rates
      • See also:
        per Synonym
      • 其价钱是一公斤 50 便士。 They cost 50p a kilo.
      • 我每分钟能打 50 个单词。 I can type 50 words a minute.
      • 当时他正以每小时 50 英里的速度驾车。 He was driving at 50 miles an hour.
    • 像（某人）的人；…式的人物 a person like somebody
      • 她是个小希特勒。 She's a little Hitler.
    • （用于某人姓名前，表示说话者不认识此人）有个 used before somebody's name to show that the speaker does not know the person
      • 有位格林太太要见你。 There's a Mrs Green to see you.
    • （用于一星期中某天的名称前，表示具体某一天） used before the names of days of the week to talk about one particular day
      • 她是在一个星期二去世的。 She died on a Tuesday.

English dictionary

• a
  • Used when referring to someone or something for the first time in a text or conversation
  • Used with units of measurement to mean one such unit
  • One single; any

Related phrases

• A
  1. 英语字母表的第 1 个字母    2. A 音（C 大调的第 6 音或音符）    3. （学业成绩）第一等，优，甲
• a-
  非；不；无；没有
• A.
  1. academician; academy    2. alto    3. America; American
• a.
  1. about    2. acceleration    3. acreage
• a cappella
  音乐 （合唱）无乐器伴奏的
• A-frame
  A 形房屋
• pit-a-pat
  扑扑的响声；劈啪声；哒哒声
• chug-a-lug
  【俚】一饮而尽;咕嘟咕嘟地喝
• cornet-a-pistons
  【音】一种有音栓之小铜喇叭
• a slice/share of the cake
  应分得的一份钱财（或好处）

Related languages

• a is also a word in: suomi,  français,  Deutsch,  עברית,  Italiano,  Portuguese,  español,  česky,  Ελληνικά,  hrvatski,  Bengali,  Gujarati,  العربية

Web translations

Usage examples

• "Images of the burning of a Quran would undoubtedly be used by extremists in Afghanistan — and around the world — to inflame public opinion and incite violence," Petraeus said in an e-mail to The Associated Press.
  Sep 7, 2010 -  David Petraeus -  The Associated Press
• "Mark did a brilliant job at HP and I expect he'll do even better at Oracle. There is no executive in the IT world with more relevant experience than Mark. Mark pioneered the integration of hardware with software when Teradata was a part of...
  Sep 7, 2010 -  Larry Ellison -  The Hindu
• "We have persevered because of a belief we share with the Iraqi people -- a belief that out of the ashes of war, a new beginning could be born in this cradle of civilization," he said.
  Sep 1, 2010 -  Barack Obama -  CNN

Web definitions

• • angstrom: a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation
    
  wordnetweb.princeton.edu/perl/webwn
• • vitamin A: any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes
    
  wordnetweb.princeton.edu/perl/webwn
• • deoxyadenosine monophosphate: one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose)
    
  wordnetweb.princeton.edu/perl/webwn