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

• 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。
• 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。
• 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。
• When did ship's master and chief officer receive the fire alarm?
  船长和大副是什么时候收到报警信号的？
• 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 composition of automatic fire alarm system and several basic concepts involved in the system design are expounded;
  摘要阐述火灾自动报警系统的构成，以及系统设计中涉及的几个基本理念；
• If you discover a fire, break the glass to sound the fire alarm.
  如果你发现了火灾，打碎玻璃去弄响火警铃报警。
• 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。
• 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。
• 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。