peak interpolation

例句：

1. 1. The mountain peak is visible from the top of the cable car.
   从缆车顶部可以看到山顶。
2. 2. The peak of the mountain is covered in snow.
   山顶被雪覆盖。
3. 3. The peak of the mountain is the highest point on the mountain.
   山顶是山的最高点。