1·One Saturday afternoon last winter, I drove north on Route 85 through the rolling rangeland of southeastern Wyoming.
去年冬天的一个周六下午，我沿着85号公路驱车向北，穿过怀俄明州东南部延绵起伏的牧场。
2·No doubt much land that is now cultivated will need to become rangeland.
毫无疑问，现在正在耕种的大量土壤将需要变成牧场。
3·At the same time, wildfires this year burned more than a million hectares of North American rangeland.
与此同时，野火今年烧毁了1百多万公顷的北美牧场。
4·Meanwhile using artificial soil technology we can renew and improve the quality of our existing grassland and will build new and high quality rangeland and popularize good milch cow.
应用人造土壤技术，在恢复与提高已有草场质量的同时，还要新建一批高质量的牧场，我们再推广良种奶牛。