active vocabulary

美

英 [ækt?v??'kæbj?l?r?]

英英

n.	1. the range of words that somebody normally uses in speech or writing, as opposed to words he or she understands when used by others

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英汉双解词典包含2704715条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。