fire alarm

英 [ˈfaɪər əlɑːm]

美 [ˈfaɪər əlɑːrm]

n.  火警钟; 火警报警器

化学

牛津词典

noun

• 火警钟；火警报警器
  a bell or other device that gives people warning of a fire in a building
  1. Who set off the fire alarm?
     谁拉响了火警报警器？

柯林斯词典

• 火警报警器;火警钟
  Afire alarmis a device that makes a noise, for example with a bell, to warn people when there is a fire.

英英释义

noun

• an alarm that is tripped off by fire or smoke
  Synonym:smoke alarm
• a shout or bell to warn that fire has broken out

双语例句

• The fire alarm was accidentally set off. Close attention or vigilance to minimize risk.
  火警报警器不小心给弄响了。对最小风险的严密注意或警觉。
• 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。
• Design of City Fire Alarm System Based on Wireless Network;
  本文探讨了人民防空警报控制系统的设计与实现方案。
• Fire alarm system is made up of monitoring stations and PC management station.
  火灾报警系统由多个监测站和一个上位机管理站组成。
• The necessity of installing the residual current fire alarm system was analyzed.
  分析了设置剩余电流火灾报警系统的必要性。
• Fire alarm control and indicating equipment
  火灾报警控制和显示设备
• If there's a fire then you can push the fire alarm.
  如果有了火，你就能拉起火警警报器。
• I was coming close to the office when the fire alarm sounded.
  我正走近办公室，这时火警报警器响了。
• Today, there was a fire alarm in my dorm.
  今天，我的宿舍发生了火警。
• Then the fire alarm went off. I just grabbed my clothes and ran out.
  当时火险警报器响了，我一把抓起衣服就往外跑。