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英汉词典
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A字开头的单词或词组
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a-
英语解释
a-
汉语翻译
pref. 不, 缺少, 无
【医】 不, 无, 缺; 离
a-英语解释
名词 a-:
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
同义词:vitamin A, antiophthalmic factor, axerophthol, A
one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose)
同义词:deoxyadenosine monophosphate, A
(biochemistry) purine base found in DNA and RNA; pairs with thymine in DNA and with uracil in RNA
同义词:adenine, A
the basic unit of electric current adopted under the Systeme International d'Unites
同义词:ampere, amp, A
the 1st letter of the Roman alphabet
同义词:A, letter a
the blood group whose red cells carry the A antigen
同义词:A, type A, group A
0
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