alarms造句
...fire
alarms and smoke detectors.
火警报警器和烟雾检测器
Alarms went off and the sprinkler system turned on.
顿警铃大响,漏水系统也启动了.
We have fully functional smoke
alarms on all staircases.
我们在各层楼梯都安装有完全可用的烟雾警报器。
Hundreds of lives could be saved if the installation of
alarms was more widespread.
如果报警器得到更广泛的安装，成百上千的生命就可能被挽救。