a-

听听怎么读

英 [e?]

美 [e??]

是什么意思

pref.

非；不；无；没有

英英释义

a-[ ? ]

n.
- 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：angstromangstrom unitA
- any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes
  同义词：vitamin Aantiophthalmic factoraxerophtholA
- 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 monophosphateA
- (biochemistry) purine base found in DNA and RNA; pairs with thymine in DNA and with uracil in RNA
  同义词：adenineA
- the basic unit of electric current adopted under the Systeme International d'Unites
  同义词：ampereampA
- the 1st letter of the Roman alphabet
  同义词：Aletter a
- the blood group whose red cells carry the A antigen
  同义词：Atype Agroup A

学习怎么用

双语例句

Guy was greedy, amoral and dishonest.
盖伊贪心、不讲道德、又不诚实。
Henry used to be totally apolitical,but I think he is now politically more aware.
基辛格过去完全不问政治，但是，我认为现在他政治上比较敏锐了。

权威例句

The CES-D Scale: A Self-Report Depression Scale for Research in the General Population
Very Deep Convolutional Networks for Large-Scale Image Recognition
A decision-theoretic generalization of on-line learning and an application to boosting
Prevention of coronary and stroke events with atorvastatin in hypertensive patients who have average or lower-than-average cholester...
Refinement of Macromolecular Structures by the Maximum-Likelihood Method
Profiling of complex microbial populations by denaturing gradient gel electrophoresis analysis of polymerase chain reaction-amplifie...
32?–?Rapid and Efficient Site-Specific Mutagenesis without Phenotypic Selection
Fronts propagating with curvature-dependent speed: algorithms based on Hamilton-Jacobi formulations
Measurement of Protein Using Bicinchoninic Acid,Anal. Biochem. 150, 76-85
Collaborative meta-analysis of randomised trials of antiplatelet therapy for prevention of death, myocardial infarction, and stroke ...

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英语词典包含168364条英汉在线翻译词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

单词	a-
释义	a- 听听怎么读英 [e?] 美 [e??] 是什么意思 pref. 非；不；无；没有英英释义 a-[ ? ] n. 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：angstromangstrom unitA any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes 同义词：vitamin Aantiophthalmic factoraxerophtholA 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 monophosphateA (biochemistry) purine base found in DNA and RNA; pairs with thymine in DNA and with uracil in RNA 同义词：adenineA the basic unit of electric current adopted under the Systeme International d'Unites 同义词：ampereampA the 1st letter of the Roman alphabet 同义词：Aletter a the blood group whose red cells carry the A antigen 同义词：Atype Agroup A 学习怎么用双语例句 Guy was greedy, amoral and dishonest. 盖伊贪心、不讲道德、又不诚实。 Henry used to be totally apolitical,but I think he is now politically more aware. 基辛格过去完全不问政治，但是，我认为现在他政治上比较敏锐了。权威例句 The CES-D Scale: A Self-Report Depression Scale for Research in the General Population Very Deep Convolutional Networks for Large-Scale Image Recognition A decision-theoretic generalization of on-line learning and an application to boosting Prevention of coronary and stroke events with atorvastatin in hypertensive patients who have average or lower-than-average cholester... Refinement of Macromolecular Structures by the Maximum-Likelihood Method Profiling of complex microbial populations by denaturing gradient gel electrophoresis analysis of polymerase chain reaction-amplifie... 32?–?Rapid and Efficient Site-Specific Mutagenesis without Phenotypic Selection Fronts propagating with curvature-dependent speed: algorithms based on Hamilton-Jacobi formulations Measurement of Protein Using Bicinchoninic Acid,Anal. Biochem. 150, 76-85 Collaborative meta-analysis of randomised trials of antiplatelet therapy for prevention of death, myocardial infarction, and stroke ...
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