A-一般来说 有两种解释，一是英文单词的词头，二是一种评分标准，亦有时表示A股。
网络释义专业释义英英释义
短语
a cappella 无伴奏合唱 ; 阿卡贝拉 ; 走在大街的女子 ; 无伴奏
A-lin 黄丽玲 ; 给我一个理由忘记 ; 歌手黄丽玲 ; 沈凌
哆啦A梦 Doraemon ; Doraemon Collection ; Doraemon Nobita's Dinosaur
in a word 总之 ; 总而言之 ; 简言之 ; 一句话
SCENT OF A WOMAN 女人的香气 ; 闻喷鼻识女人
a number of 若干 ; 许多 ; 一些 ; 大量的
I AM A SINGER 我是歌手 ; 我是个歌者 ; 斑马网
a lot of 许多 ; 大量 ; 非常 ; 很多
A View to a Kill 雷霆杀机 ; 铁金刚勇战大狂魔 ; 之雷霆杀机 ; 系列之雷霆杀机
A Beautiful Mind 美丽心灵
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处于...状态或过程中；在…之上；朝着；用于加强语气 - 引用次数：373 参考来源 - 失敏态脑N受体药理学特征的研究
·2,447,543篇论文数据，部分数据来源于NoteExpress
a- [ ə ]
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n.
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a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation
同义词： angstrom angstrom unit A
- 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
- the 1st letter of the Roman alphabet
- the blood group whose red cells carry the A antigen
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a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation
以上来源于: WordNet
柯林斯英汉双解大词典
a- /ˈeɪ-/
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1.
PREFIX A- is added to the beginning of some adjectives in order to form adjectives that describe someone or something that does not have the feature or quality indicated by the original word. 表示“非、无”
例：I'm a completely apolitical man.
我是个对政治完全不感兴趣的人。
例：...asymmetrical shapes.
...非对称的形状。
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2.
PREFIX on; in; towards 在...上; 在...内; 向...
例：afoot
例：abed
例：aground
例：aback
双语例句原声例句权威例句
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They had a butler, a cook, and a maid.
他们有一位管家、一位厨师和一位女仆。
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他是个恶棍！一个卑鄙的无赖！
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He was a ladies' man. A cheater. A player.
他曾是个花花公子，一个骗子，一个四处寻欢作乐的浪子。
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The three-and-a-half percent growth was the first expansion in more than a year, and the strongest in two years.
VOA: special.2009.10.30
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She's stuck to a -- this is remarkable: she's stuck to a "marble venomed seat smeared with gums of glutinous heat."
这个值得注意，她坚持坐在,涂满胶状树胶的邪恶石头凳子上“
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it's a two-and-a-half-year-long program that mixes biology, chemistry, physics and computer science together.
这门课是一个两年半的项目，涵盖了生物学、化学、物理学，还有计算机科学。
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