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单词	trade up
释义	trade up verb traded up; trading up; trades up intransitive verb 1 : to trade something in (something, such as an automobile) for something more expensive or valuable of its kind 2 : to stock or purchase higher-priced items Word History First Known Use 1905, in the meaning defined at sense 2
随便看	lampoonist lampoonists lampoons lamppost lampposts lampres lamprey lampreys lampridaes Lamprididae lamprises lamprisses lampro- lampropeltes Lampropeltis lampropeltises lampropeltisses lamprophyllite lamprophyre lamprophyres lamprophyric lamps lampshade lampshades lampshell

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。