secret service

美 
英 
  • n.(政府的)特工部门
  • 网络特勤局;美国特勤局;特勤处
复数:secret services  
Secret Service
n.
1.
(政府的)特工部门,特务机关a government department that is responsible for protecting its government's military and political secrets and for finding out the secrets of other governments

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