Grassa格拉萨grassn.草；草地vt.喂(草)；(以草)覆盖；告发grass roots height mark基层标高Grass-roots web sites基层站点grass-roots libraries基层图书馆grass cloth long-gown夏布长衫grass-roots reporting草根报道grass-bleached tissue日晒漂白薄纸Grass - root hospital基层医院grass-roots government乡镇政府Grass-roots Standpoint民间立场grass- roots democracy基层民主