sand fixation

• 固沙

sand fixation的用法和样例：

例句

1. Planting trees and grass can not only resist but also fix sand.
   植树种草既能阻沙，又能固沙。
2. Planting grass and fixing the sand is an effective way of preventing sand storms.
   植草固沙是防止沙尘暴的有效措施。