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

• Is smoke alarm policy effective?
  感烟报警器政策是否有效？
• Use a smoke alarm.
  使用防烟警报。
• This paper has MQ-2 resistance-type smoke sensor and analog electronics technology as the core, to design a good technical level of the smoke alarm.
  本论文以MQ-2电阻式烟雾传感器和模拟电子技术为核心，设计出一种技术水平较好的烟雾报警器。
• Application of the Smoke Detecting Fire Alarm System on Metro Vehicles
  烟雾探测火灾报警系统在地铁车辆上的应用
• Discussion on Design of Aspirating Smoke Detection Fire Alarm System
  有关吸气式烟雾探测火灾报警系统设计的探讨
• 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。
• Smoke activates the alarm.
  烟雾触发警报器。
• Design and Development of Intelligent Fire Smoke Alarm System on High Speed EMUs
  高速动车组智能烟火报警系统的设计与开发
• The smoke triggered off the alarm.
  这些烟把警报器触响了。
• A small girl saw the smoke and sounded the alarm.
  一个小女孩看见烟，启动了警报器。