名词
中文翻译：高音提示器
同义词：
['high-pitched buzzer', 'high-frequency buzzer']
例句：
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1. The high-note buzzeris used to alert the audience when aperformer needs to take a break.
高音提示器用于在表演者需要休息时提醒观众。
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2. The high-note buzzer was designed to help musicians maintain theirpitch during long performances.
高音提示器被设计来帮助音乐家在长时间的表演中保持音准。
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3. The high-note buzzer was used to signal that the nextsong would start.
高音提示器被用来提示下一首歌即将开始。