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 smoke triggered a building fire alarm, an official said.
  烟雾触发了建筑火警警报器，一名官员说道。
• 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 lecture was curtailed by the fire alarm going off.
  那次讲座被突然鸣响的火警中断了。
• The proceedings were interrupted by the fire alarm.
  会议的进程被火灾警报打断了。
• Out of curiosity, he pulled down the handle of the fire alarm.
  出于好奇，他把火警器的手把拉了下来。
• 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。
• 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。
• The paper analyses the factors that influence the reliability of fire alarm system in watercraft.
  分析了船舶火灾报警系统中影响可靠性的因素。
• 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。
• 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。