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单词	nisus
释义	nisus noun ni·​sus ˈnī-səs  plural nisus ˈnī-səs  -ˌsüs : a mental or physical effort to attain an end : a perfective urge or endeavor Word History Etymology Latin, from niti to lean, rely, strive; akin to Latin nictare to wink — more at connive First Known Use 1699, in the meaning defined above Medical Definition nisus noun ni·​sus ˈnī-səs  plural nisus -səs, -ˌsüs  : a mental or physical effort to attain an end
随便看	caseo- caseolytic caseoses caseous caseouser caseousest caseousser caseoussest caser casern caserne casernes caserns Caserta cases cases in point casette casettes caseweed casewood casework caseworker caseworkers caseworks caseworm

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。