ameliorate vt. 改善；緩和
amputate v. 切除
annihilate v. 消滅
annotate v. 注解
antedate (在信，文件上)寫上較早日期
anticipate vt.預(yù)料，預(yù)期，期望
apostate n. 背教者，變節(jié)者
abate v. 減輕，降低
abbreviate vt. 縮寫,使...簡(jiǎn)略,縮短
abdicate v. 讓位，辭職，放棄
abominate v. 痛恨；痛惡
abrogate v. 廢止，廢除