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单词	biofilter
释义	biofilter noun bio·​filter " + ˌ- : a filter bed in which sewage is subjected to the action of microorganisms that assist in decomposing it Word History Etymology bi- entry 2 + filter
随便看	traded (in) traded down traded for traded in traded on traded up tradeful tradeless trademark trademark infringement trademarked trademarking trademarks tradenames tradeoffs trader traders tradership trades trades (for) trades (in) trades council trades down trades for trades in

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。