汉语翻译
n. 六月禾, 早熟禾熟植物
英语解释：
名词 bluegrass:
any of various grasses of the genus Poa
同义词：blue grass
an area in central Kentucky noted for it bluegrass and thoroughbred horses
同义词：Bluegrass Country, Bluegrass Region
a type of country music played at a rapid tempo on banjos and guitars
