名词
中文翻译：延伸警报同义词
同义词：
['extension warning', 'extension alert']
例句：
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1. The extension alarm has been triggered due to a sudden drop in temperature.
由于温度突然下降，已经触发了延伸警报。
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2. The extension alarm was set for the early hours of the morning.
延伸警报设定在凌晨时分。
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3. The extension alarm was activated by the security system when someone entered the building.
有人进入建筑时，安全系统触发了延伸警报。