单词	fifth columnist
释义	fifth columnˌfifth ˈcolumn noun [countable] a group of people who work secretly to help the enemies of the country where they live or the organization in which they work—fifth columnist noun [countable]
随便看	Slavonic slaw slay slayer slaying SLD sleaze sleaziness sleazy sleb sledge sledgehammer sleek sleekly sleekness sleep sleeper sleepily sleepiness sleeping bag Sleeping Beauty sleeping car sleeping partner sleeping pill sleeping policeman

英语词典包含52748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。