单词	fifth column
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	Daniel Danish Danish pastry dank dankness Dankworth, John Dante Dante's Inferno Danton, Georges Jacques Danube Daphne Daphnis and Chloe Da Ponte, Lorenzo dapper dapple dappled dapple-grey DAR darbouka Darby and Joan Darcy, Mr Dardanelles dare Dare, Dan daredevil

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