smoke alarm

英 [ˈsməʊk əlɑːm]

美 [ˈsmoʊk əlɑːrm]

n.  烟雾报警器(用于预防火灾)

牛津词典

noun

• 烟雾报警器（用于预防火灾）
  a device that makes a loud noise if smoke is in the air to warn you of a fire

柯林斯词典

• (预防火灾的)烟雾报警器
  Asmoke alarmor asmoke detectoris a device fixed to the ceiling of a room which makes a loud noise if there is smoke in the air, to warn people.

英英释义

noun

• an alarm that is tripped off by fire or smoke
  Synonym:fire alarm

双语例句

• Study of Scatter Smoke Infrared Alarm Detector
  散射式感烟红外报警探测器机理的探讨
• The Smart Home System contained five subsystems: temperature control system, lighting control system, gas leak alarm system, fire alarm system and smoke alarm system.
  智能家居系统包含五个子系统：温度控制系统、湿度控制系统、煤气泄露控制系统、火灾报警系统和烟雾报警系统。
• Adaptability of Aspiration Smoke Detection Alarm in Subways
  吸气式烟雾探测报警技术在地铁中的适用性
• This paper presents a new type of smoke alarm device based on measuring methods of amplitude and rate, and describes its hardware circuit principle.
  提出了一种新型的烟雾报警装置，并详细介绍了装置的硬件电路原理和所采用的具有动态调整门限的幅值测量法和变化率测量法。
• A small girl saw the smoke and sounded the alarm.
  一个小女孩看见烟，启动了警报器。
• Fray said he believes such a detector, with a message in a familiar voice recorded on it, will be less confusing to a child than a standard smoke alarm.
  弗瑞说，他相信这种录下孩子们熟悉的声音的报警器比一般报警器能让孩子减少困惑。
• Smoke detecting arrangement smoke pipe fire alarm system
  烟管式火灾报警装置烟管式火警信号系统
• The smoke activated the fire alarm.
  烟雾触发了火警报警器。
• Use a smoke alarm.
  使用防烟警报。
• When it detects smoke, the alarm emits a compound called allyl isothiocyanate, which is responsible for the pungent taste and smell of stinky foods like mustard, horseradish and wasabi.
  这种报警器在检测到烟雾时，喷放出一种称为异硫氰酸烯丙酯的化合物，这种化合物是发恶臭的食物如芥菜、山葵和芥末酱的辛辣味道和气味的原由。