单词	wife-swapping
释义	wife-swappingˈwife-ˌswapping noun [uncountable] an activity in which married couples have sex with each other’s partners, for example at a party
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英语词典包含52748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。