研究揭珠峰長高緣由 全因河流侵蝕

(加德滿都1日綜合電)最近一項新研究表明,世界第一高峰珠穆朗瑪峰比群山突出的主因,是因為一條河流在其底部侵蝕岩 ...Ads Links by Easy Branches
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