emergency lamp

例句：

1. 1. We need to keep the emergency lamp on in case of an emergency.
   我们需要在紧急情况下保持应急灯开启。
2. 2.The doctor advised us to turn on the emergency lamp and call for help.
   医生建议我们打开应急灯并呼叫帮助。
3. 3.The fire department arrived quickly and turned on the emergency lamp to guide them through the smoke.
   消防队迅速到达，打开了应急灯，以引导他们穿过烟雾。