丘陵地

例句：

1. 1. The hilly terrain makes it difficult to navigate the area.
   多山的地形使得该地区难以导航。
2. 2. The hilly landscape provides a stunning view of the surrounding countryside.
   多山的景观提供了周围乡村令人惊叹的景色。
3. 3. The hilly region is home to many rare plant species.
   多山的地区是许多稀有植物物种的家园。