n.巖釘；峻峭的山頂

The first task was to remove the old piton in the dihedral, essentially a piece of trash. 第一個目標(biāo)就是清除在巖角上的舊巖釘，那已經(jīng)是個垃圾了。

Well, if there is snow, you have to bring with you crampons, an ice axe, ice piton and snow goggles. 如果趕上下雪的話，你還得帶上(裝在登山靴上的)尖鐵釘、破冰斧，冰錐和雪地眼鏡。