单词	Receptaculida
释义	Receptaculida plural noun Re·​cep·​ta·​cu·​li·​da rə̇ˌseptəˈkyülədə : a class of calcareous fossils of uncertain systematic relations see receptaculitidae Word History Etymology New Latin, from receptaculum + -ida
随便看	ultras ultrasafe ultrasecret ultrasegregationists ultrasensitive ultraserious ultrasharp ultrashort ultrasimple ultraslick ultraslow ultrasmall ultrasmart ultrasmooth ultrasoft ultrasonic ultrasonically ultrasonics ultrasonogram ultrasonograms ultrasonographer ultrasonographers ultrasonographic ultrasonographies ultrasonography

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。