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