The branch of an intelligence service charged with keeping sensitive information from an enemy,deceiving that enemy,preventing subversion and sabotage,and collecting political and military information.是什么意思_The branch of an intelligence service charged with keeping sensitive information from an enemy,deceiving that enemy,preventing subversion and sabotage,and collecting political and military information.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句