名词
中文翻译：断桩扬声器
同义词：
['broken-pole speaker例句：1. The stump speaker was a popular choice for outdoor events.（断桩扬声器是户外活动的一个受欢迎选择。）']
例句：
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1. The stump speaker was a popular choice for outdoor events.
断桩扬声器是户外活动的一个受欢迎选择。
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2.The sound quality of the stump speaker is excellent, making it ideal for recording music.
断桩扬声器的音质非常好，非常适合录音音乐。
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3. The stump speaker was used to broadcast announcements during the event.
断桩扬声器被用来在活动中广播公告。