“沙地的”的英语？

在微粒中还含有镁橄榄石,也即夏威夷绿色沙地的组分.The particle also contained magnesium olivine a component of Hawaii's green sand.毛乌素沙地的林木覆盖率 ( 含灌木 ) 接近30%.The forest of sanded ground wool black white is enclothed rate ( contain bush ) adj...