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“黄土是怎样形成的?”这看似简单的问题,却并非简单。是风刮来的?是水冲来的?科学家们争论了很久,才慢慢有了趋于一致的答案。
“Loess is formed? ” This seemingly simple question, but not simple. Is the wind blowing? Is the water rushed? Scientists argued for a long time before it gradually has the same consensus.