闪光警戒灯

例句：

1. 1. The police used a flashing warning light to alert pedestrians on the road.
   警察使用一个闪光警告灯来警告路上的行人。
2. 2. The car's headlights were out, and the driver had to use a flashing warning lightto find his way back to the parking lot.
   汽车的前灯坏了，司机不得不用一个闪光警告灯找到回停车场的路。
3. 3.The fire department used a flashing warning light to signal to the public that they were on their way.
   消防部门使用一个闪光警告灯向公众发出他们正在赶来的信号。