单词	aptery
释义	aptery noun ap·​tery -rē plural -es zoology : the state of being wingless Word History Etymology a- entry 2 + pter- + -y
随便看	relationists relationless relations relationship relationships relatival relative relative adjective relative advantage relative adverb relative aperture relative bearing relative clause relative error relative frequency relative fugacity relative humidity relative impediment relative inclinometer relative index of refraction relative location relative motion relative personal equation relative pitch relative pronoun

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。