a moment later phr.片刻之后

a number of 一些，许多

a pair of 一双，一副

a piece of 一块(张，根，片)

a place of interest phr.名胜

a point of view 观点，着眼点

a series of 一系列，一连串

a shop assistant phr.售货员,店员

a TV set phr.一台电视

a variety of 种种，各种

a waste of time phr.浪费(白费)时间

ａ.m. A.M.n.午前，上午

abide by 遵守(法律等)；信守

abound in 盛产，富于，充满

above all 首先，首要

above mentioned 上述的

abstain from 戒除，弃权，避开

access to 接近；通向…的入口

according as 根据…而…

according to 根据，按照

account for 占；打死，打落(敌机)

accuse sbof sth 控告(某人某事)

act for 代理