prefect of police

例句：

1. 1.The prefect of police is responsible forthe safety and security of the city.
   警察总监负责城市的安全与治安。
2. 2. The prefectwas appointed to oversee the construction project.
   该区长被任命监督该项目。
3. 3. The prefecthas been criticized for his handling ofthe recent riots.
   该区长因处理最近的骚乱事件而受到批评。