单词	cross-staff
释义	cross-staff noun ˈkrȯs-ˌstaf  : an instrument formerly used at sea for taking the altitude of a celestial body Word History First Known Use 1582, in the meaning defined above
随便看	propless propleural propleuron proplex proplexus Propliopithecus propman propmen propn propneustic propodea propodeal propodeon propodeons propodeum propodeums propodi propodia propodial propodiale propodialia propodite propoditic propodium propodus

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。