短语词组短语Nitty Gritty Dirt Band 尘土乐队;表演者;原脏thick dirt band 厚夹矸coalseam dirt band 煤层夹矸parting dirt band 夹矸thickness dirt band 厚夹矸The Nitty Gritty Dirt Band 表演者;二刁蛋先生coal seam with dirt band 含夹矸层煤层 返回 dirt band