名词
中文翻译：机械噪音
同义词：
['engine noise', 'gear noise', 'machinery noise']
例句：
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1.The factory has been making a lot of machinery noise lately.
这家工厂最近制造了很多机械噪音。
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2. The old car engine was making a lot of machinery noise.
那辆旧汽车的发动机发出了很多机械噪音。
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3.The construction site is always full of machinery noise.
施工现场总是充满了机械噪音。