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

• Today, there was a fire alarm in my dorm.
  今天，我的宿舍发生了火警。
• 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。
• The glass got broken and the fire alarm sounded.
  玻璃打破了，火警器响了起来。
• 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。
• 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。
• Manual and electrical operation, can perform auto control together with auto fire alarm system.
  有手动和电动操作，与火灾自动报警系统联动，可实现自动控制。
• 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。
• 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 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。
• The smoke activated the fire alarm.
  烟雾触发了火警报警器。