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。
• According to the inventors, young children often panic and hide when they hear a conventional smoke alarm, sometimes fearing they have done something wrong to set it off.
  据这些发明人说，小孩子们在听到传统的烟雾报警器报警时，往往会惊慌失措而藏起来，有时他们会很害怕，以为自己做错了事而弄响了报警器。
• Is smoke alarm policy effective?
  感烟报警器政策是否有效？
• The smoke activated the fire alarm.
  烟雾触发了火警报警器。
• 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。
• Study of Scatter Smoke Infrared Alarm Detector
  散射式感烟红外报警探测器机理的探讨
• 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
• 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。
• 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。
• 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。