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 Research of the Fire Alarm System Based on ARM and uC/ OS-ⅱ
  基于ARM和uC/OS-Ⅱ的火灾报警系统研究
• 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。
• The smoke activated the fire alarm.
  烟雾触发了火警报警器。
• 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 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。
• Each indoor fire alarm push-buttons shall be equipped with a break-glass push-button and an alarm bell.
  每个室内火警警铃装置和按钮都应装在一个可破玻璃盒内。
• 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。
• 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。