smoke detector
US /ˈsmoʊk dɪˌtektər/
UK /ˈsmoʊk dɪˌtektər/
1.
烟雾探测器
a device that detects smoke, typically as an indicator of fire
:
•
The smoke detector went off, alerting us to the fire.
烟雾探测器响了，提醒我们发生了火灾。
•
Every home should have at least one working smoke detector.
每个家庭都应该至少有一个正常工作的烟雾探测器。