19.be accustomed to (=be in the habit of, be used to)
习惯于.
20.be acquainted with(=to have knowledge of) 了解;
(=to have met socially) 熟悉
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;