单词	protheca
释义	protheca noun pro·​theca "+ plural prothecae : the basal and first-formed part of the calyculus of a coral Word History Etymology New Latin, from pro- entry 1 + theca
随便看	portabello portabellos portabilities portability portable portableness portabler portables portablest portably Portacipher portae portage portaged portages portaging portague portagues portail portakabins portal portal system portal vein portal-to-portal portaled

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。