Grassin格拉桑grassn.草；草地vt.喂(草)；(以草)覆盖；告发grass-roots procuratorates基层检察院Grass and crop intercropping粮草间作grass - roots Party branch基层党支部grassroots forest management基层管理模式grass-roots traffic police基层交警grass-root quality culture基层质量文化grass-roots civil servants基层公务员Grass roof and earthen steps茅茨土阶Grass-root TV universities基层电大grass leaf sweetflag rhizome石昌蒲(中药)