This can help ____the sand ____towards the rich farmland.

问题描述:

This can help ____the sand ____towards the rich farmland.

这题只有本大神会做
This can help _stop___the sand _moving___towards the rich farmland.
意思是
这能帮助阻止沙子像肥沃的农田移动.
也就是说这能帮助阻止沙子侵蚀肥沃的农田.
累死了 包对!