smoke detector
US /ˈsmoʊk dɪˌtektər/
UK /ˈsmoʊk dɪˌtektər/
1.
煙霧探測器
a device that detects smoke, typically as an indicator of fire
:
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The smoke detector went off, alerting us to the fire.
煙霧探測器響了，提醒我們發生了火災。
•
Every home should have at least one working smoke detector.
每個家庭都應該至少有一個正常工作的煙霧探測器。