单词	protomammal
释义	protomammal noun pro·​to·​mammal ¦prōt(ˌ)ō+ : promammal protomammalian "+ adjective Word History Etymology prot- + mammal
随便看	semiological semiologically semiologies semiologist semiologists semiology semionotid Semionotidae Semionotus semiopal semiopaque semiorganized sheeted sheeter sheeters sheetfed sheetflood sheetful sheeting sheeting pile sheetings sheetless sheetlet sheetlike sheetliker

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。