N-COUNT
（政府的）局，处，署，专业行政部门
An agency is a government organization responsible for a certain area of administration.
例句
...the government agency which monitors health and safety at work in Britain...
英国负责劳工医疗和安全的部门
Webster is retiring as head of the Central Intelligence Agency (CIA).
韦伯斯特即将从中央情报局局长的位子上退职。