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

• A Smoke Alarm Device with High Sensitivity
  高灵敏度烟雾报警装置的研究
• He woke with a start when the smoke alarm went off.
  当烟雾报警器响时，他惊醒过来。
• A small girl saw the smoke and sounded the alarm.
  一个小女孩看见烟，启动了警报器。
• 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。
• Smoke activates the alarm.
  烟雾触发警报器。
• 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。
• Have you installed a smoke alarm in your office?
  你的办公室安装烟雾警报器了吗？
• Discusses the structure and working principle of the interface circuit between ion sensing smoke detector and fire alarm controller.
  论述了离子感烟探测器与火灾报警控制器之间接口电路的结构及工作原理。
• Note the Smoke Alarm above the grandfather clock.
  注意：以上祖父时钟烟雾报警器。
• 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