Noun:

1. a bell rung to give a fire alarm

Firebee火烽是美国研制的一种无人驾驶飞机firen.火；失火；炉火；开火；热情v.开火；解雇；点燃；急速地连续说fire-prevention bottle防火瓶fire-damage assessment受火损伤检测fire-fighting facility消防设备fire retardant chemistry阻燃化学fire-proofing chemical耐火剂fire-sprinkling system喷水灭火系统Fire Coordination Center发射协调中心fire resistive file room耐火档案室fire-proof wooden door木质防火门fire alarm display light火警显示灯

1. In case of fire, ring the alarm.
   如有火灾，按火警铃。