smoke alarm
US /smoʊk əˈlɑːrm/
UK /smoʊk əˈlɑːrm/
1.
煙霧報警器, 煙感器
a device that detects smoke and sounds an alarm, typically as a warning of fire
:
•
The smoke alarm went off when I burned the toast.
我烤焦麵包時，煙霧報警器響了。
•
Every home should have at least one working smoke alarm.
每個家庭都應該至少有一個正常工作的煙霧報警器。