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单词	permatron
释义	permatron noun per·​ma·​tron ˈpərmə‧ˌträn plural -s : a vacuum tube in which the electron flow is controlled by a magnetic field Word History Etymology permanent + -tron
随便看	clovery cloves clovewort Clovis Clovis I clovises clovisses clow clowder clowders clowliker clowlikest clown clown (around) clown around clown car clown fish clown's allheal clownage clowned clowned (around) clowned around clowneries clownery clownheal

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。