smoke alarm

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++

Related topics: Technology

ˈsmoke aˌlarm (also smoke detector) noun [countable]  TFIREa piece of electronic equipment which warns you when there is smoke or fire in a building 烟雾警报器 The smoke alarm went off. 烟雾警报器响了起来。 →4  See picture of 见图 ALARM 1 →5 see picture at 见图 alarm1

Examples from the Corpus

smoke alarm• If possible read the manufacturer's information and instructions before you buy a smoke alarm.• He didn't have a smoke alarm.• Smoking a cigarette will not normally set off a smoke alarm.• There are two basic types of smoke alarm.• The couple say that their smoke alarm, provided by the council, wasn't working.

ˈsmoke aˌlarm nounChineseSyllable  

a electronic piece warns you of equipment Corpus which

smoke alarm
ˈsmoke aˌlarm (also smoke detector) noun [countable]
a piece of electronic equipment which warns you when there is smoke or fire in a building:
    The smoke alarm went off.

smoke alarmBrE /ˈsməʊk əlɑːm/ 🔊NAmE /ˈsmoʊk əlɑːrm/ 🔊 (also ˈsmoke detector) nouna device that makes a loud noise if smoke is in the air to warn you of a fire 烟雾报警器（用于预防火灾）