巡逻区域

例句：

1. 1. The police are conducting a thorough search of the area.
   警方正在对该区域进行彻底的搜查。
2. 2.The security team is patrolling the perimeter of the building.
   安保团队正在巡视建筑的外围。
3. 3.The guard was posted at the entrance to ensure no one entered without authorization.
   守卫被派在入口处以确保未经授权的人员不得进入。