1. at the thought of一想到…
2. as a whole (=in general) 就整体而论
3. at will 随心所欲
4. (be) abundant in(be rich in; be well supplied with) 富于，富有
5. access(to) (不可数名词) 能接近，进入，了解
6. by accident(=by chance, accidentally)偶然地，意外. Without accident(=safely) 安全地，
7. of one's own accord(=without being asked; willingly; freely)自愿地 ,主动地
8. in accord with 与…一致 . out of one's accord with 同…。不一致
9. with one accord (=with everybody agreeing)一致地
10. in accordance with (=in agreement with) 依照，根据
11. on one's own account
1) 为了某人的缘故， 为了某人自己的利益
2) (=at one's own risk) 自行负责
3) (=by oneself)依靠自己
12. take…into account(=consider)把..。考虑进去
13. give sb. an account of 说明， 解释 (理由)
14. account for (=give an explanation or reason for) 解释， 说明。
15. on account of (=because of) 由于，因为。
16. on no account(=in no case, for no reason)绝不要，无论如何不要(放句首时句子要倒装)
17. accuse…of…(=charge…with; blame sb. for sth. ; blame sth. on sb. ; complain about) 指控，控告
18. be accustomed to (=be in the habit of, be used to)习惯于。
19. be acquainted with(=to have knowledge of) 了解; (=to have met socially) 熟悉
20. act on 奉行，按照…行动; act as 扮演; act for 代理
21. adapt oneself to(=adjust oneself to) 使自己适应于
22. adapt…(for) (=make sth. Suitable for a new need) 改编， 改写(以适应新的需要)
23. in addition (=besides) 此外， 又， 加之
24. in addition to(=as well as, besides, other than)除…外
25. adhere to (=abide by, conform to, comply with, cling to, insist on, persist in, observe, opinion, belief ) 粘附; 坚持， 遵循
26. adjacent(=next to, close to) 毗邻的， 临近的
27. adjust..(to) (=change slightly)调节; 适应;
28. admit of (=be capable of, leave room for) …的可能，留有…的余地。
29. in advance (before in time) 预告， 事先
30. to advantage 有利的，使优点更加突出地
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