公安厅的英文：
metropolitan police department
adj. 大都市的；大主教辖区的
- There was an exhibit at the Metropolitan Museum of Art.
大都会艺术博物馆开过一次展览会。 - Metropolitan area is heavy with state offices.
大都会区到处都有非政府机关。 - "The Metropolitan Museum (, please). "
请到大都会博物馆。
n. 警察部门，警方
v. 巡查；监督，管制
adj. 警察的；有关警察的
- The police are on standby.
警察正整装待命。 - The police have taken the suspect to the police station.
警察把这个嫌疑犯送到了警察局。 - The police have detained two men for questioning at the police station.
警方拘留了两个人在警察局盘问。
n. 部，司，局，科，部门；（大学的）系
- A government department or a subdivision of a department.
局司处等行政单位政府部门或其下属机构 - He's the departed department leader.
他是过去的部门领导。 - The bulk of the work rolls from department to department.
大量的工作从一个部门转移到另一个部门。
