fifth column 的英语意思
fifth columnˌfifth ˈcolumn noun [countable] 
查看全部语言翻译 a group of people who work secretly to help the enemies of the country where they live or the organization in which they work暗中协助所在国或所在组织之敌人的一群人；内奸集团—fifth columnist noun [countable]
查看全部语言翻译 a group of people who work secretly to help the enemies of the country where they live or the organization in which they work暗中协助所在国或所在组织之敌人的一群人；内奸集团—fifth columnist noun [countable]