ace
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.
adhesive
n. 黏合剂
a. 可黏着的，粘性的
A: Where do you live?
B: Adjacent to the hospital, and near the school.
adjacent
a. (to)邻近的，毗连的
A: I always see Mary and Bill together.
B: I do too, it is like as if they were adjoined at the hip.
adjoin
vt. 贴近，与…毗连
A: The pharmacy down the road is closed.
B: Yes, it lost its license to administer over the counter drugs.
administer
vt. 1.掌管，料理…的事务;2.施行，实施;3.给予，派给，投(药)
A: I am reading a book about a sailing voyage set in 1900.
B: Is that the one where the admiral gets thrown overboard?
admiral
n. 海军将领，舰队司令
A: He looks too young to be at university.
B: I thought he was just an adolescent
adolescent
n. 青少年
a. 青春期的，青少年的
A: I simply adore the band U2.
B: They are good , but I prefer The Cranberries.
adore
vt. 1.崇拜，致敬，爱慕;2.非常喜欢
A: Did you enjoy the wedding?
B: It was beautiful, the bride was adorned with rose in her hair.
adorn
vt. 装饰，使生色
A: I can not wait until advent is over.
B: Likewise, then I can open all of my Christmas presents.
advent
n. 出现，到来
A: Peter and Mary are always fighting.
B: I didn’t know that they had an adversary relationship.
adversary
n. 对手，敌手
A: Did you see the thunder and lightening last night?
B: No, but the weather has been unusually adverse resently.