单词	ammonium persulfate
释义	ammonium persulfate noun : a colorless crystalline salt (NH4)2S2O8 used as an oxidizing agent and for improving dense photographic negatives Word History First Known Use 1891, in the meaning defined above
随便看	Cornu spiral cornua cornual cornucopia cornucopia sofa cornucopian cornucopias cornuda cornule Cornulites cornupete cornus cornuses cornusses cornute cornuted cornuto cornutos Cornwall cornwall and isles of scilly Cornwall stone cornwalles Cornwallis cornwallite cornwalls

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。