grasslandn.牧场;草地
grassland degradation草地退化
grassland shelterbelt草原防护林
Grassland caterpillar草原毛虫
grassland reclamation开垦草地
Grassland temperature草面温度
grassland restoration草原恢复
grassland grasshopper草原蝗虫
grassland development草原培育
grassland for tourism游憩草地
grassland environment草原环境