But the caves I want to share with you today are made completely of ice, specifically glacier ice that's formed in the side of the tallest mountain in the state of Oregon, called Mount Hood.
但是我今天与你分享的岩洞是 完全由冰组成的，特别是冰川冰。 位于俄勒冈州最高山—— 胡德山的一侧。