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a.的英文翻译是什么意思，词典释义与在线翻译：
英英释义
名词 a:
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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
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any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes
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one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose)
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(biochemistry) purine base found in DNA and RNA; pairs with thymine in DNA and with uracil in RNA
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the basic unit of electric current adopted under the Systeme International d'Unites
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the 1st letter of the Roman alphabet
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the blood group whose red cells carry the A antigen
a.的用法和样例：
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...
- 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
- on a razor-edge 处于危险关头...
