单词	Protoceras
释义	Protoceras noun Pro·​toc·​er·​as prəˈtäsərəs : a North American Miocene genus of ungulates related to the chevrotains Word History Etymology New Latin, from prot- + -ceras
随便看	petasiteses petasitesses petasma petasos petasoses petasus petasuses petate petauri petaurine petaurist Petaurista petauristae petauristas Petauristidae petauristidaes petaurists Petauroides Petaurus petauruses petaurusses petcharies petchary Petcheneg petcock

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。