high fidelity
noun [ U ] uk/ˌhaɪ fɪˈdel.ə.ti/ us/ˌhaɪ fɪˈdel.ə.t̬i/ (abbreviation hi-fi)
高保真度
the production by electrical equipment of very good quality sound that is as similar as possible to the original sound
a major manufacturer of high-fidelity audio equipment 主要的高保真音响设备制造商