单词	Protephemerida
释义	Protephemerida plural noun Prot·​ephemerida (¦)prōt+ : an order of extinct insects related to the Ephemeroptera, known only from the Upper Carboniferous, and characterized by long cerci and homonomous wings with numerous crossveins Word History Etymology New Latin, from prot- + Ephemerida
随便看	Berlin berlin black berlin blue berlin brown Berlin porcelain berlin red Berlin Wall Berlin ware Berlin wool Berlin work Berliner berliner berliners berlines berlinite berlins Berlioz berliozian berloque Berlusconi berm bermanite Bermejo bermes Bermondsey

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。