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单词	derris
释义	derris noun der·​ris ˈder-əs  ˈde-rəs 1 : a preparation chiefly of ground derris roots used as an insecticide 2 : any of a large genus (Derris) of tropical Eurasian shrubs and woody vines of the legume family including sources of poisons and especially commercial sources of rotenone Word History Etymology New Latin, genus name, from Greek, skin, from derein to skin — more at tear entry 1 First Known Use 1919, in the meaning defined at sense 1
随便看	length length-breadth index lengthen lengthened lengthener lengtheners lengthening lengthens lengthful lengthier lengthiest lengthilier lengthiliest lengthily lengthiness lengthinesses lengthly lengthmen lengths lengthways lengthwayser lengthwaysest lengthwise lengthwiser lengthwisest

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。