单词	Protochorda
释义	Protochorda Pro·​to·​chorda "+ taxonomic synonym of protochordata Word History Etymology New Latin, from prot- + chorda (from Chordata)
随便看	arcanum arcanum ar arcanum arcanorum arcanums arcas arcato arcature arcatures arccos arccosine arccosines arccot arccsc arcdegrees Arce arced arcella arcellae arcellas Arcellidae arcellidaes arceuthobia Arceuthobium arceuthobiums arch

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。