名词
中文翻译：Unknown
同义词：
['focusing sound', 'focusing sound device', 'sound focuser']
例句：
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1. The sound focuser is used to enhance the clarity of speech in noisy environments.
声音聚焦器用于在嘈杂环境中提高语音清晰度。
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2. The engineer designed a new sound focuser that can filter out background noise effectively.
工程师设计了一种新型的声聚焦器，可以有效地过滤掉背景噪音。
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3. The sound focuser was installed in the recording studio to improve the quality of audio recordings.
在录音室安装了声聚焦器，以提高音频录制的质量。