secret service

名词 secret service:

1. the United States intelligence agency that protects current and former presidents and vice presidents and their immediate families and protects distinguished foreign visitors; detects and apprehends counterfeiters; suppresses forgery of government securities and documents
   同义词：United States Secret Service, US Secret Service, USSS, SS

1. The Secret Service operated against the enemy during the Second World War.
   在二次大战期间，情报局有计划地展开了反敌活动。
2. Secret Service operated against the country.
   战争期间，情报机关展开了对敌行动。
3. The Secret Service smelled out a plot to kill the President.
   情报部门抽丝剥茧发现了要行刺总统的阴谋。