单词	self-contamination
释义	self-contamination noun self-con·​tam·​i·​na·​tion ˌself-kən-ˌta-mə-ˈnā-shən  1 : contamination by oneself 2 : contamination from within Word History First Known Use 1955, in the meaning defined at sense 1
随便看	backpacking backpackings backpacks backpedal backpedaled backpedaling backpedalled backpedalling backpedals backpiece backpieces backplane backplaster backplastering backplate backplates backrest backrests backroom backroom boy backrooms backrope backrushes backs backs (up or 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。