史前大洪水
史前大洪水-
北京平原晚第四纪堆积期与史前大洪水
A late Quaternary accumulation period and the prehistoric flood in Beijing Plain
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但是，考古学家表示，很多此前发现的猛犸象骨骼化石中含有史前洪水冲击下来的碎片。冰河时代末期的哥伦比亚盆地曾屡次受到史前大洪水的冲击。
But most prior discoveries of mammoth bones have involved fragments washed down during the prehistoric floods that repeatedly swept across the Columbia Basin at the end of the Ice Age .