他们逮捕的那位因进行间谍活动的高级文职人员，原来是20年前敌人情报机构安插的特洛伊木马。 The senior civil servant they arrested for spying turned out to be a Trojan horse, planted by enemy intelligence twenty years previously.
她立即打电话给海军情报机构的一名官员，这名官员接着便与联邦调查局取得了联系 She immediately called an officer at the Naval Intelligence Service, who in turn contacted the FBI.
他告诉了我们他的早期生活，然而他只是简略地提到了他在军事情报机构服务过。 He told us about his early career, although he only touched upon his service in military intelligence.