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	pre-delivery pre-departure pre-designate pre-designated pre-designating pre-devaluation pre-development pre-dinner pre-discharge pre-discovery pre-dive pre-draft pre-drill pre-drilled pre-drilling pre-dynastic pre-election pre-electric pre-electronic pre-employment pre-engineered pre-enrollment pre-establish pre-established pre-establishing

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。