单词	proctodaeum
释义	proctodaeum noun proc·​to·​dae·​um ˌpräk-tə-ˈdē-əm  plural proctodaea ˌpräk-tə-ˈdē-ə  or proctodaeums : the embryonic posterior ectodermal part of the digestive tract Word History Etymology New Latin, from Greek prōktos anus + hodos way First Known Use 1876, in the meaning defined above
随便看	direct deposit direct development direct distance dialing direct drive direct dye direct examination direct exchange direct finder direct fire direct grant school direct initiative direct investment direct labor direct laying direct lighting direct loss by fire direct mail direct mails direct marketing direct material direct method direct object direct package direct positive direct primary

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。