名词
中文翻译：降噪器
同义词：
['noise suppressor', 'sound suppressor']
例句：
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1.The engineer designed a noise reducer to improve the factory's acoustics.
工程师设计了一个降噪器来改善工厂的声学环境。
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2. The new car comes with an advanced noise reducer that significantly reduces road noise.
这款新车配备了一个先进的降噪器，能有效降低道路噪音。
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3. The office has installed several noise reducers in the conference room to help reduce the noise from outside.
办公室在会议室安装了多个降噪器，以帮助减少外界的噪音。