a-

英式音标：[eɪ]

美式音标：[eɪ‑]

词汇分类：英语词汇突破（Townsend Press系列）,英语词汇突破,英语 词根词缀 记忆大全(共500个）,Word Menu,2006年至2015年考研英语（一）真题词汇

词义：

pref.

非；不；无；没有

英英释义

a-[ ə ]

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

用法：

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 ...

同义词：super-

造句：

1. He grabbed into the ooze and came up clutching a large toad.

他把手伸进淤泥里捞摸，结果抓上来一只巨大的蟾蜍。

来自柯林斯例句

2. The wounds may heal cleanly or they may ooze a clear liquid.

这些伤口可能会利索地愈合，也可能会分泌出一种透明的液体。

来自柯林斯例句

3. Outwardly, Graham will ooze all his old confidence.

格雷厄姆表面上看起来会像过去一样满怀信心。

来自柯林斯例句

4. The lava will just ooze gently out of the crater.

岩浆就会从火山口缓缓涌流出来。

来自辞典例句

5. Drip or ooze systems are common for pot watering.

滴灌和渗灌系统一般也用于盆栽灌水.

来自辞典例句

[ ooze 造句 ]