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单词	disulfonic acid
释义	disulfonic acid noun di·​sulfonic acid (¦)dī+…- : a compound containing two sulfonic acid groups Word History Etymology di- + sulfonic
随便看	Protylopus protyls protype protégé protégée protégés proud proud flesh prouder proudest proudful proudhearted Proudhon proudish proudlier proudliest proudly proudnesses Proulx Proust proustian Proustian proustianer proustianest proustianner

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。