动词短语
中文翻译：报警
同义词：
['set off the alarm', 'sound the alarm', 'give a warning']
例句：
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1. The police were called to the scene of the accident as soon as the alarm was ringing.
警察一听到警报就立刻被叫到事故现场。
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2. The fire department responded quickly to the sound of the alarm.
消防部门迅速响应了警报声。
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3. It's important to always be aware of your surroundings and ring the alarm if you sense danger.
如果你感觉到危险，一定要随时保持警觉并敲响警报。