alarms
n. [安全]警报；[安全]警报器；闹钟（alarm 的复数形式）
v. 警告；使恐慌（alarm 的第三人称单数）
例句
The rooms were all fitted with smoke alarms.
所有的房间都安装了烟雾报警器。
《牛津词典》
We have fully functional smoke alarms on all staircases.
我们在所有楼梯上都装有运转完全正常的烟雾报警器。
《柯林斯英汉双解大词典》
Hundreds of lives could be saved if the installation of alarms was more widespread.
如果警报器的安装范围更为广泛，成百上千人的生命就可能获救。
