单词	causa sine qua non
释义	causa sine qua non Latin noun phrase cau·​sa si·​ne qua non ˈkau̇-ˌsä-ˌsi-nā-kwä-ˈnōn  : cause without which not : a necessary cause or condition
随便看	slingstone slingstones slink slink lamb slinked slinker slinkers slinkier slinkiest slinkily slinkiness slinkinesses slinking slinkingly slinks slinkskin slinkskins slinkweed slinkweeds slinky slinters slip slip (into) slip (on or into) slip away

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。