Erratics ate boulders transported by glaciers and deposited some distance from their point of origin.

漂砾是由冰川搬运并在距发源地一定距离的地方堆积的巨砾。

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Erratics ate boulders transported by glaciers and deposited some distance from their point of origin.

漂砾是由冰川搬运并在距发源地一定距离的地方堆积的巨砾。

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