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

• Smoke activates the alarm.
  烟雾触发警报器。
• 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。
• 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
• 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
• Study of Scatter Smoke Infrared Alarm Detector
  散射式感烟红外报警探测器机理的探讨
• Use a smoke alarm.
  使用防烟警报。
• Note the Smoke Alarm above the grandfather clock.
  注意：以上祖父时钟烟雾报警器。
• 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
• A small girl saw the smoke and sounded the alarm.
  一个小女孩看见烟，启动了警报器。
• As an important competent for ensuring the train operation safety, high-performance fire smoke alarm system can reduce the fire accident greatly and drop the fire loss effectively.
  高性能的烟火报警系统作为保障动车行车安全的重要组成部分，可以大大减少火灾事故的发生，有效降低火灾造成的损失。