ace
n. 1.(紙牌等中的)幺點(diǎn)，“A”牌
2.(網(wǎng)球等比賽中)發(fā)球得分
3.(在某方面的)佼佼者
a. 第一流的，杰出的
A: Do you play the acoustic guitar?
B: Usually I play the electric.
acoustic
a. 1.聽覺的，聲音的
2.(樂器)原聲的
A: Have you acquainted yourself with the material yet?
B: No, I still have to read the book.
acquaint
vt. (with)使認(rèn)識(shí)，使了解，使熟悉
A: Has the case come to a close?
B: Yes, the suspect was acquitted because there was not enough evidence.
acquit
vt. 1.宣判……無罪
2.(oneself)使(自己)作出某種表現(xiàn)
A: If you press that red button you will activate the bomb.
B:I’ll be sure not to press it then.
activate
vt. 使活動(dòng)起來，使開始起作用
A: What do you want to be when you grow up?
B: A feminist activist , working for female rights
activist
n.(政治活動(dòng)的)積極分子，活動(dòng)家
A: Do you drink tea?
B: Yes, but I am addicted to coffee.
addict
n. 1.有癮的人;2.入迷的人
vt. 使成癮，使入迷
A: I watch too much television.
B: Me too, it is addictive
addictive
a. 使人入迷的，使人上癮的
A: Are you going to wear those old shoes to the wedding?
B: Yeah, I hate adhering to formalities.
adhere
vi. (to )1.黏附，附著;2.遵守，堅(jiān)持;3.追隨，支持
A: Your poster has fallen down from the wall.
B: I ran out of adhesive and forgot buy some more.