名词
中文翻译：高保真
同义词：
['high-definition', 'HD', 'high-quality audio/video']
例句：
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1. The new TV has a HI-FI sound system.
这款新电视拥有高保真的音响系统。
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2. They were disappointed when they found out the HI-FI was only available in a few cities.
当他们发现只有几个城市有高保真时，他们感到失望。
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3. The concert featured some of the best musicians in the HI-FI scene.
这场音乐会汇集了现场音乐界最优秀的音乐家。