柯林斯詞典bluegrass /?blu??ɡrɑ?s/ 1. N-UNCOUNT Bluegrass is a style of fast folk music that began in the southern United States. 藍(lán)草音樂; 一種起源于美國南方的快節(jié)奏民間音樂 返回 bluegrass劍橋詞典a type of country music from the southern US played on instruments such as guitars , banjos , and violins 藍(lán)草音樂（美國南部的一種鄉(xiāng)村音樂，用吉他、班卓琴、小提琴等弦樂器演奏） 返回 bluegrass