山麓小丘

例句：

1. 1. The sun sets behind the foothills of the mountain.
   太阳在山的坡上落下。
2. 2. The small hills are covered in lush greenery.
   这些小山丘覆盖着郁郁葱葱的绿色植被。
3. 3. The hikers made their way up the foothills to reach the summit.
   徒步旅行者沿着山麓向上走，到达山顶。