snow erosion 中文意思是什麼
snow erosion
解釋
雪蝕作用-
It is the power of rushing water, rain, snow, heat, frost and wind that has created this canyon. the erosion process has taken 3 to 6 million years to sculpture the grand canyon, and is still going on
雄偉的大峽谷其實完全是由於大自然的風吹雨打冷熱煎熬等等侵蝕作用雕鑿而成,它經歷了300至600萬年才形成今日的面貌,而大自然的侵蝕力量仍會不斷持續下去。
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