第一个目标就是清除在岩角上的旧岩钉，那已经是个垃圾了。

The first task was to remove the old piton in the dihedral, essentially a piece of trash.

youdao

第一个目标就是清除在岩角上的旧岩钉，那已经是个垃圾了。

The first task was to remove the old piton in the dihedral, essentially a piece of trash.

youdao