中生代的 [地质] Mesozoic
中生代前的 pre-Mesozoic
中生代地层的分布 mesozoic stratigraphic distribution
中生代地层的油气潜力 mesozoic hydrocarbon potential
中生代的动植物在新生代无法生存。
Plants and animals from the Mesozoic era were unable to survive in the Cenozoic era.
多年来，我们一直认为是中生代丰富的植物种类使这些巨型生物得以繁衍生息。
For years, we have assumed it was the abundant plant life of the Mesozoic that allowed these giants to thrive.
然而我们现在知道了，由于中生代空气的含氧量比我们想象的要低得多，所以蜥脚类动物可食用的植物也比我们想象的要少得多。
However, we now know that since oxygen levels were much lower in the Mesozoic than we assumed, there was much less plant life for sauropods to eat than we thought.
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