山腹

例句：

1. 1. The mountain rangeis vast and the valleysare deep, with a rich varietyof flora and fauna.
   山脉广阔，山谷深邃，动植物种类繁多。
2. 2. The mountainrange is home to many rare species ofplants and animals.
   山脉是许多珍稀植物和动物的家园。
3. 3. The mountain range providesa natural barrier for wildlife migration.
   山脉为野生动物迁徙提供了天然屏障。