n. 1.(纸牌等中的)幺点，“A”牌
2.(网球等比赛中)发球得分
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.听觉的，声音的
2.(乐器)原声的
A: Have you acquainted yourself with the material yet?
B: No, I still have to read the book.
acquaint
vt. (with)使认识，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……无罪
2.(oneself)使(自己)作出某种表现
A: If you press that red button you will activate the bomb.
B:I’ll be sure not to press it then.
activate
vt. 使活动起来，使开始起作用
A: What do you want to be when you grow up?
B: A feminist activist , working for female rights
activist
n.(政治活动的)积极分子，活动家
A: Do you drink tea?
B: Yes, but I am addicted to coffee.
addict
n. 1.有瘾的人;2.入迷的人
vt. 使成瘾，使入迷
A: I watch too much television.
B: Me too, it is addictive
addictive
a. 使人入迷的，使人上瘾的
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，附着;2.遵守，坚持;3.追随，支持
A: Your poster has fallen down from the wall.
B: I ran out of adhesive and forgot buy some more.
