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 small girl saw the smoke and sounded the alarm.
  一个小女孩看见烟，启动了警报器。
• 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？
• Unfortunately, the development of high-speed railway started late in China, the fire smoke alarm system assembled on operating EMUs is mostly imported from abroad at present.
  遗憾的是，我国的高速铁路发展起步晚，现行运营的动车组上装配的烟火报警系统完全依靠国外进口。
• Is smoke alarm policy effective?
  感烟报警器政策是否有效？
• Fray and a business partner teamed up with two other men who had earlier patented a talking smoke alarm.
  弗瑞与一个商业伙伴以及另外两个早先曾申请了语音报警器专利的人进行了合作。
• Over the loud buzzing of the smoke alarm, I asked them to identify the sound.
  对一边响起的烟雾警报器声音，我让他们说出那个声音是什么。
• 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。
• 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