21.act on 奉行,按照……行动;act as 扮演;act for代理
22.adapt oneself to (=adjust oneself to) 使自己适应于
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) 此外,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, persist 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