1.Abrasive：1.表面磨损的，损伤的；2.粗糙的，极坏的

The CD is so abrasive that it doesn’t work.

CD磨损的厉害，不能在用了。

If you criticize Pablo, he becomes very abrasive.

如果你批评帕布罗, 他就会变得非常粗暴。

2.Abstain：v. 1.戒绝（喝酒）；2.放弃（投票等）

His doctor ordered him to abstain from beer and wine.

他的医生嘱咐他戒酒。

In thereferendum many people abstained.

在这次公民投票中许多人弃权。

3.Abstention：n. 1.戒绝；2.（投票）弃权

4.Abstinence：n. 禁欲，节制

Abstinence is the best medicine.

节制有度是良药。

5.Abusive：辱骂的，咒骂的；被滥用的

Don’t have cocaine abusively.

不可滥服古柯碱。

Good manners ban abusive language anywhere.

讲礼貌就是在任何地方都不能讲粗话。

6.Abyss：深渊，深坑

He is plunging into an abyss of despair.

他陷入了绝望的深渊。

7.Accede：v. 1.同意；2.就职

Will you accede to her request?

你答应她的请求吗?

When his father died,the princeacceded to the position of head of state.

父王去世后，王子继承了国家元首的职位。

8.Accessible：易于得到（接近、达到）的

The island is accessible only by boat.

这座岛只能坐船去。

9.Accession：n. 就职，登基

His accession to the important post was a big event.

他就任这一重要职务是一个重大事件。

10.Acclaim：v. 欢呼，喝彩，称赞

They acclaimed the astronauts.

他们以欢呼迎接宇航员。

It was acclaimed as a great discovery.

那被赞誉为伟大的发现。