fire-alarm

英['faɪərəl'ɑːm] 美['faɪərəl'ɑːm]
  • 火灾报警器
  • fire n.火;失火;炉火;开火;热情v.开火;解雇;点燃;急速地连续说
  • flapper n.拍击物;(口)(20世纪20年代的)不拘传统的时髦少女
名词 fire alarm:
  1. a shout or bell to warn that fire has broken out

  2. an alarm that is tripped off by fire or smoke

    1. The fire-alarm is giving warning of fire.
      报警器正发出火警警报。
    2. The sound of fire-alarm was heard by us yesterday evening.
      昨晚我们听见了火警声。