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

• 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。
• The image collected by sensor is clear and intact, so it meets the image quality requirement. The system can detect the frame and smoke to implement alarm in the early fire.
  传感器采集的图像清晰完整，满足系统对图像质量的要求，能够识别出火灾图像，实现早期火灾检测。
• The smoke activated the fire alarm.
  烟雾触发了火警报警器。
• Have you installed a smoke alarm in your office?
  你的办公室安装烟雾警报器了吗？
• Smoke activates the alarm.
  烟雾触发警报器。
• He woke with a start when the smoke alarm went off.
  当烟雾报警器响时，他惊醒过来。
• The smoke triggered off the alarm.
  这些烟把警报器触响了。
• Use a smoke alarm.
  使用防烟警报。
• Design, production, installation and System performance testing for smoke alarm system;
  烟雾报警系统设计、安装、检修及功能试验。
• 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。