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21. act on 奉行,按照…行动; act as 扮演; act for 代理
22. adapt oneself to(=adjust oneself to) 使自身适应于
23. adapt…(for) (=make sth. Suitable for a new need) 改编, 改写(以适应新的需要)
24. in addition (=besides) 除此之外, 又, 加之
25. in addition to(=as well as, besides, other than)除…外
26. adhere to (=abide by, conform to, comply with, cling to, insist on, pe rsist in, observe, opinion, belief ) 粘附; 坚持, 遵循
27. adjacent(=next to, close to) 毗邻的, 临近的
28. adjust..(to) (=change slightly)调节; 适应;
29. admit of (=be capable of, leave room for) …的可能，留有…的余地.
30. in advance (before in time) 预告, 事先.
31. to advantage 有利的,使优点更为突出地.
