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　　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. 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)原声的采集者退散
　　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.
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