名词
中文翻译：减少音量
同义词：
['volume reduction', 'sound level reduction']
例句：
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1. To reduce the noise in the room, we need to turn down the volume.
为了减少房间里的噪音，我们需要调低音量。
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2. The engineer used a microphone to reduce the sound level of the recording.
工程师使用麦克风来降低录音的声音水平。
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3. The loudness reduction technology helps people with hearing loss to hear better.
这种降低音量的技术可以帮助有听力障碍的人听得更好。