1.Dust storms/Sandstorms.
2.Areas in northern China.
3.People's cutting down too many trees and raising too many sheep or cows on grasslands.
4.不知道你哪里是斜体的,你标明一下我再看看
5.To plant trees to hold earth to the ground
1.Dust storms/Sandstorms.
2.Areas in northern China.
3.People's cutting down too many trees and raising too many sheep or cows on grasslands.
4.不知道你哪里是斜体的,你标明一下我再看看
5.To plant trees to hold earth to the ground