fire alarm system 火警报警系统
sound the fire alarm 拉响火警
fire alarm panel 火警控制面板
smoke detector 烟雾探测器
fire safety 消防安全
1. The fire alarms in the building need to be tested every month.
大楼里的火警报警器每月都需要测试一次。
2. Please do not test the fire alarms during an exam.
考试期间请不要测试火警报警器。
3. The smoke from the cooking triggered the fire alarms.
烹饪产生的烟雾触发了火警报警器。
A: Why is everyone running outside?
A：为什么大家都在往外跑？
B: The fire alarms just went off, so we have to evacuate the building.
B：火警刚刚响了，所以我们必须撤离大楼。
1) 火灾警报器
2) 火警系统
3) 烟雾报警装置
1. 火警报警器（系统）
2. 火灾警报
e.g.
Ensure that all fire alarms are functioning properly.
确保所有火警报警器正常工作。
noun
1. a device or system for detecting fire and sounding an alarm
Synonym: smoke alarm, fire detection system