fire alarm
柯林斯词典
1. N-COUNT A fire alarm is a device that makes a noise, for example, with a bell, to warn people when there is a fire. 火警报警器
The smoke sets off the fire alarm. 烟雾触发了火警报警器。
返回 fire alarm
1. N-COUNT A fire alarm is a device that makes a noise, for example, with a bell, to warn people when there is a fire. 火警报警器
The smoke sets off the fire alarm. 烟雾触发了火警报警器。