名词
中文翻译：Unknown
同义词：
['boom box', 'boomerang']
例句：
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1. The boom shaker was used to create a loud noise for entertainment purposes.
这个振动器被用来产生响亮的声音用于娱乐目的。
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2. The boom shaker was used to test the strength of the building's foundation.
振动器被用来测试建筑物基础的强度。
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3. The boom shaker was used to create a loud noise for safety reasons.
振动器被用来产生响亮的声音出于安全原因。