Grassa格拉萨grassn.草；草地vt.喂(草)；(以草)覆盖；告发grassplot construction草地建设Grass-roots garrison基层官兵Grass- Roots Writing底层写作Grass carp rhabdovirus草鲡弹状病毒Grass land temperature草面温度grass-roots hospital基层医院grass - root culture草根文化grass yield prediction牧草产量预报Grass industralization草产业grass and shrub forage草本与灌木类饲草