fire alarm bell中文什么意思

火警铃

• fire alarm:    火警警钟，火警；报火机。
• bell:    n. (交尾期的)雄鹿鸣声。 vi. ...
• bell fire alarm:    火灾报警铃

例句与用法

1. This device is operated manually by person who discovers fire . by breaking the glass it will lead to the sounding of the fire alarm bells throughout the building
   这一方法是在有人发现火灾时现场予以处理，打破玻璃将触响火灾警钤并遍及整个建筑。