hill spacing

例句：

1. 1.The mountain range is characterized by its hill spacing and rugged terrain.
   这座山脉以其山脊间距和崎岖的地形而闻名。
2. 2. The hill spacing in the valley was so narrow that it was difficult to pass through.
   山谷中的山脊间距非常狭窄，难以通过。
3. 3. The hill spacing between the two peaks was enough to provide some privacy for the hikers.
   两座山峰之间的山脊间距足以为徒步旅行者提供一些隐私。