名词中文翻译
中文翻译：水晶扬声器
同义词：
['crystal speaker', 'crystal amp', 'crystal amplifier']
例句：
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1. The crystal loudspeaker was the centerpiece of the concert.
水晶扬声器是音乐会的中心。
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2. The crystal loudspeaker was so clear that it could be heard from across the room.
水晶扬声器非常清晰，可以在整个房间听到。
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3. The crystal loudspeaker was used to play music in the background during the presentation.
水晶扬声器被用来在演示过程中播放背景音乐。