英语释义

• the blood group whose red cells carry the A antigen

• (biochemistry) purine base found in DNA and RNA; pairs with thymine in DNA and with uracil in RNA

• any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes

• the 1st letter of the Roman alphabet

• one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose)

• a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation

• the basic unit of electric current adopted under the Systeme International d'Unites;

  "a typical household circuit carries 15 to 50 amps"

片语

A little一点儿，少量

Easy A绯闻计划

A Tempo原速，回原速（以原来的速度）

hypervitaminosis a维生素A过多癥

a rabbit兔子朱迪

FORM A普惠制原产地证明书

Bisphenol A双酚A

a cappella没有乐器伴奏的

a prioriad 先天地；演绎地；推理地

英汉例句

• They have raised a monument in memory of the great writer.

  他们修建了一座纪念碑来纪念这位伟大的作家。

• She buddied up with a student from another university.

  她与来自另一大学的一名学生交朋友。

• He uttered a cry of pain.

  他发出一声疼痛的叫喊。

• He led us to a museum.

  他把我们带到了一个博物馆。

• He traveled the city for a firm which makes furniture.

  他跑遍这个城市为一个家具公司作推销。

• She spread a sheet on the sofa for me.

  她为我在沙发上铺了一条单子。

• We went to a cafe and lazed the whole afternoon away there.

  我们去了一间咖啡馆，在那儿消磨了整个下午。

• The owl swooped down on a mouse.

  猫头鹰向一只老鼠飞扑过去。

• I have to bat out a term paper before class.

  我必须在上课前匆匆写出一篇学期论文。

• We shall have to draw on our savings if we buy a house.

  如果要买一座房子，我们就不得不动用我们的存款。

• She had a boy by her first husband.

  她与她的第一个丈夫有一男孩。

• Working together for two months welded them into a group.

  在一起工作两个月使他们形成了一个团体。

• He would not stir a finger to help you.

  他不会动一根指头来帮助你的。

• I do not think much of her as a musician.

  她作为一名音乐家，我认为不怎么样。

• He rolled himself up in a blanket.

  他用一条毯子把自己裹起来。

• He took a dictionary from the desk.

  他从书桌上拿了一本词典。

• You should not shuck a little child.

  你不应该去欺骗一个小孩。

• I think you can weave a story around this incident.

  我想你可以围绕这一事件编一个故事。

• I must emphasize the fact that she is only a little girl.

  我必须强调这样一个事实，这就是她只不过是个小女孩。

• He offered me a bed.

  他提供我一个床位。

• The doctor knifes carefully along a bone in his leg.

  医生小心地沿着他的一块腿骨用刀切过。

• He led us to a room upstairs.

  他把我们带到楼上一个房间里。

• The value of a book does not depend from its size.

  一本书是否有价值并不取决于它的大小。

• We judge a person not by what he says but by what he does.

  我们看一个人，不是根据他的表白，而是根据他的行动。

• I think you should go to another doctor and get a second opinion.

  我认为你应该找另一位大夫，再听听另一种意见。

• He took down a dictionary from the top shelf.

  他从书架顶格拿下了一本词典。

• It is a luxury to me.

  它对我来说是一种奢侈。