act on 按照…而行动

act out 演出

AD n.公元

adapt to 适应

add up 加算，合计

add up to 合计达……

adhere to 粘附在…上；坚持

adjacent to 与…毗连的

admire to do sth (美口)很想做某事

admit of 容许有，有…余地

admit to 让…享有

advertise for 登广告征求(寻找)某物

affect to 假装

afford to (买)得起(某物)

after a little 过了一会儿

after a while phr.过了一会儿

after all 毕竟，终究

after class 课后

after school phr.放学后,下课后

again and again 反复地，再三地

agree about 对…有相同的看法

agree on 就…达成协议决定

agree to 同意，商定