Grassin格拉桑grassn.草；草地vt.喂(草)；(以草)覆盖；告发grass-roots files education基层档案教育Grass Root Party Organization基层党组织grassroots party organization基层党组织建设grass - roots labour unions基层工会Grass-roots volleyball team基层排球Grass-roots unit government建设Grass is people around you.草就是你周围的人们。grass-roots management team基层管理队伍Grass - roots police organs基层公安机关grass -roots police affairs基层警务