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单词	phosphonium
释义	phosphonium noun phos·​pho·​ni·​um fäs-ˈfō-nē-əm  : a monovalent cation PH4+ analogous to ammonium and derived from phosphine also : an organic derivative of phosphonium (such as (C2H5)4P+) Word History Etymology New Latin First Known Use 1859, in the meaning defined above Medical Definition phosphonium noun phos·​pho·​ni·​um fäs-ˈfō-nē-əm  : a monovalent cation PH4+ analogous to ammonium and derived from phosphine also : an organic derivative of phosphonium (as (C2H5)4P+)
随便看	saudi arabian saudier saudiest saudis sauerbraten sauerbratens sauerkraut sauerkrauts sauger saugers saugh saughs saught Saugus Sauk self-reflection self-reflections self-reflective self-reflexive self-reflexively self-reflexiveness self-reflexivity self-reform self-reformation self-reformations

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。