hi-fi是什么意思

hi-fi

英 ['haifai] 美

hi-fi (adj.): 1947, abbreviation of high fidelity (1934), of radio receivers, in reference to their quality of sound reproduction. Hi as an advertiser's phonetic shortening of high is attested by 1914. Fidelity in the sense "faithful reproduction of sound" is from 1878.

1. "Hello there," said the woman, smiling at them.— 'Hi!' they chorused.: “嘿，你们好！”那个女人笑着对他们说。——“你好！”他们齐声说。