n.(土壤)荒漠化；沙漠化

Overgrazing is the major cause of desertification worldwide. 過度放牧是全球荒漠化的主要的原因。

The sandstorms is caused by desertification. 沙塵暴是沙漠化造成的。

Turning cultivated land back into forests and pasture is a fundamental way to stem soil erosion and desertification in the long run. 從長遠(yuǎn)來看，退耕還林或退耕還牧都是阻止沙漠侵蝕和沙漠化的基本途徑。