探照灯

例句：

1. 1. The police used a searchlight to illuminate the dark alley.
   警方使用探照灯照亮黑暗的小巷。
2. 2. The doctor shined his flashlight into the room to find the source of the noise.
   医生用手电筒照进房间，寻找噪音的来源。
3. 3. The firefighters used a spotlight to guide their efforts in the burning building.
   消防员使用聚光灯在燃烧的建筑中指导他们的工作。