Fire alarm
01
火警报警器, 烟雾探测器
a device that gives warning of a fire, by making a loud noise
例子
She pulled the fire alarm when she saw smoke coming from the kitchen.
当她看到厨房冒出烟时，她拉响了火灾警报。
02
火警警报, 火灾信号
a signal, such as a bell, siren, or shout, used to alert people to the presence of a fire and prompt them to take immediate action
例子
The fire alarm bell rang, causing everyone to evacuate the building quickly.
火灾警报铃响了，导致所有人迅速撤离大楼。
