noun ダウンロード 🔗共有 ピトン A spike, wedge, or peg that is driven into a rock or ice surface as a support (as for a mountain climber). Examples : "The mountain climbers hammered pitons into the rock face to secure their ropes as they ascended. " 登山家たちは、登る際にロープを固定するために岩壁にピトンを打ち込んだ。 sport technical item material AIとチャット語彙ゲーム読解練習