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

• The Smart Home System contained five subsystems: temperature control system, lighting control system, gas leak alarm system, fire alarm system and smoke alarm system.
  智能家居系统包含五个子系统：温度控制系统、湿度控制系统、煤气泄露控制系统、火灾报警系统和烟雾报警系统。
• 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。
• 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。
• A small girl saw the smoke and sounded the alarm.
  一个小女孩看见烟，启动了警报器。
• 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
• 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。
• 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。
• Smoke activates the alarm.
  烟雾触发警报器。
• Fray said he believes such a detector, with a message in a familiar voice recorded on it, will be less confusing to a child than a standard smoke alarm.
  弗瑞说，他相信这种录下孩子们熟悉的声音的报警器比一般报警器能让孩子减少困惑。