alarms
n.
警钟( alarm的名词复数 );
v.
警告( alarm的第三人称单数 );
使惊慌;
使惊恐;
给（门等）安装警报器;
例句:
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Half the houses had been fitted with alarms and ours hadn't.
有半数的房子安装了警报器，不过我们家没有。
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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。
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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。
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Superstorm Sandy, however, sounded alarms for some.
来自SA
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Most "finds" turn out to be false alarms.
来自BBC
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A buzzing noise of Bees his Ears alarms.
来自Dryden