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单词	superclean
释义	superclean adjective su·​per·​clean ˌsü-pər-ˈklēn  : extremely clean a superclean laboratory … dust ruined semiconductors that had to be kept superclean. Myron Magnet Qualifying vehicles include superclean plug-in hybrids and possibly some hydrogen-fueled internal combustion engines. Michael Cabantuan Word History First Known Use 1890, in the meaning defined above
随便看	umteennest umteenther umteenthest UMWA umwhile un UN un-air-conditioned un-American un-Americanism un-average un-British un-christian un-come-at-able un-English un-Englished un-European un-French un-un un-understandable una Una boat una corda una corda pedal una voce

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。