by accident 偶然，碰巧(=by chance)
in accordance with 依照，根據，與…一致
according to prep. 據/照…(所說、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;說得通
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
