smoke alarm noun[ C ] uk /ˈsməʊk əˌlɑːm/ us /ˈsmoʊk əˌlɑːrm/ a device that makes a loud noise when there is smoke present to tell people that there is a fire: 烟雾报警器;烟雾探测器 Smoking a cigarette will not normally set off a smoke alarm .抽烟一般不会触发烟雾报警器。 A survivor said that smoke alarms had failed to go off.幸存者说到烟雾报警器失灵了。 Synonym
smoke detector Despite two smoke alarms sounding he failed to wake up. A working smoke alarm can significantly increase your chances of survival in the event of a fire. Most smoke alarms have a test button which sets off the alarm when pressed. SMART Vocabulary: related words and phrases Fire service beat beat something out extinguish extinguisher fire alarm fire blanket fire department fire drill fire engine fire hydrant fire marshal fire truck firebreak firehouse fireman fireplug firetrap flameproof quench tender |