A second, more likely, explanation is that the extremely dry climate of ancient Egypt was largely responsible, given that dryness promotes the preservation of organic remains generally.
第二种,更有可能的解释是,古埃及极端干燥的气候是主要原因,因为干燥促进了有机遗骸的保存。
Azoic rocks don't contain organic remains.
无生代岩石中不包含有机残余物。
They are thought to have formed over many centuries as the accumulated product of organic remains left by native settlements.
人们认为这些土地的形成要经过很多世纪,是当地定居点一代代积聚下来的有机物残骸。
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