环绕大德顿的许多湖都是在几百万年前由冰层缓慢移动形成的。这山脉中有些小冰山至今仍然活动着。
Many of the lakes around the Grand Tetons were formed millions of years ago by slow-moving sheets of ice. Some small glaciers are still active in the mountains.
环绕大德顿的许多湖都是在几百万年前由冰层缓慢移动形成的。这山脉中有些小冰山至今仍然活动着。
Many of the lakes around the Grand Tetons were formed millions of years ago by slow-moving sheets of ice. Some small glaciers are still active in the mountains.
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