Smoke alarm
01
烟雾报警器, 火灾警报
a device or alarm that starts beeping if it detects smoke or fire
例子
The smoke alarm woke them up during the night, alerting them to a fire in the kitchen.
烟雾报警器在夜间将他们唤醒，提醒他们厨房发生了火灾。
It 's important to test smoke alarms regularly to ensure they are functioning properly.
定期测试烟雾报警器以确保它们正常工作是很重要的。
