“稀疏地”用英语怎么说

地面上稀疏地覆盖草丛.The ground was sparsely covered with grass.使用仿野生的方法, 种子被稀疏地种植在森林里.With the wild simulated wild - simulated method, seeds are planted thinly in the forest.半人马星座人稀疏地在这些殖民地扩展, 现在总数大约达到50亿人.Centaurus population is...