natural vegetation degradation的用法和樣例：
例句
- This paper presented a method to evaluate vegetation degradation in semi-arid and semihumid region.
提出了一種適用於半乾旱半濕潤地區的植被退化評價方法。 - They also underline the emissions reduction potential of restoring vegetation on degraded watersheds and pasture.
他們還強調，恢復植被退化的集水區和牧場來減少碳排放。
