名词
中文翻译：蜂鸣器
同义词：
['blower', 'buzzer例句：1. The beeper on the doorbell rings every time someone rings the doorbell.（门铃上的蜂鸣器每次有人按门铃时都会响。）']
例句：
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1. The beeper on the doorbell rings every time someone rings the doorbell.
门铃上的蜂鸣器每次有人按门铃时都会响。
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2.The police used a beeper to alert everyone in the area of an emergency.
警方使用蜂鸣器来警告该地区的紧急情况。
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3. The beeper was a useful tool for signaling danger from a distance.
蜂鸣器是一种远距离用来警示危险的有用工具。