单词	subderivative
释义	subderivative noun sub·​derivative "+ : a word derived from a derivative friendliness is a subderivative from friendly which is derived from friend Word History Etymology sub- + derivative
随便看	Echelidae echelle echelles echelon echeloned echeloning echelonment echelons echenees echeneid echeneididaes Echeneis echeneises eches echeveria echeverias echeverría Echeverría (Álvarez) echeverría álvarez echi echia echidna echidnae echidnas Echidnidae

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。