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单词	Lossen rearrangement
释义	Lossen rearrangement noun Los·​sen rearrangement ˈläsᵊn- : the conversion of a hydroxamic acid RCONHOH to an amine RNH2, a urea (RNH)2CO, a urethane RNHCOOC2H5, or a similar derivative by way of an intermediate isocyanate RNCO Word History Etymology probably after Wilhelm Lossen †1906 German chemist
随便看	supv supvr suq suqs Suquamish suquamishes sur sur les pointes sur place Sur, Point sur- sura Surabaya surah surahs Surakarta suranal suranal plate suras Surat surats surbahars surbase surbased surbasements

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。