.词汇表说明：1.本表共收2500个单词2.本词汇表不列词组和短语。3.本词汇表不列语法术语。4.部分可根据构词推导出的副词、名词等不单列。5.国家名称及相关信息单独列出。6.数词（含基数词、序数词）、星期、月份等单词单独列出。 Aa (an) ability able aboard absent absorb academic accent accept accident account accurate accuse ache achieve achievement acid acre across act action active activity actor actress nactual AD ad (缩) = advertisement add address administration admire admit
