be able to do能夠,會
be about to do剛要,即將
above all首先,首要,尤其是
be absorbed in sth.專心致力於…
be absorbed in doing sth.專心致力於…
be abundant in…富於,…豐富
by accident偶然,碰巧 (=by chance)
in accordance with依照,根據,與…一致
according toprep.據/照…(所説、所寫);按…,視…
accuse sb. of sth.控告(某人某事)
be accustomed to習慣於,慣常的
act as(臨時)擔任,充當,起…作用
act on遵照…行動,奉行;作用於,影響
put sth. into action付諸實施
put sth. out of action使……停止工作或活動
take action採取行動;開始工作
adapt to適應
add up加起來;説得通