high fidelity
US /ˌhaɪ fɪˈdel.ɪ.ti/
UK /ˌhaɪ fɪˈdel.ɪ.ti/

1.
高保真, 高传真
the reproduction of sound with little distortion, giving a result very similar to the original
:
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The new audio system offers high fidelity sound.
新的音响系统提供高保真音质。
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Audiophiles often seek equipment that provides true high fidelity.
发烧友通常寻求提供真正高保真的设备。