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	Brute brute brutish brutishness Bruton, John Brutus, Marcus Bryce Canyon National Park Brylcreem Brynner, Yul Bryson, Bill B.S. BSc BSE BSI B-side BSkyB BST BT BTEC BTW bub bubble bubble and squeak bubble bath bubble gum

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