把脚提到一个不明情况的脚点和利用不同的齿点使人有时候带着冰爪做牵引动作，而不只是简单的推进。

Lifting the foot onto vague terrain and using the points differently allow one to pull with crampon rather than simply push.

youdao

把脚提到一个不明情况的脚点和利用不同的齿点使人有时候带着冰爪做牵引动作，而不只是简单的推进。

Lifting the foot onto vague terrain and using the points differently allow one to pull with crampon rather than simply push.

youdao