常見例句用作名詞 (n.)The first task was to remove the old piton in the dihedral, essentially a piece of trash.第一個(gè)目標(biāo)就是清除在巖角上的舊巖釘，那已經(jīng)是個(gè)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)尖鉄釘、破冰斧，冰錐和雪地眼鏡。 返回 piton