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.
化石记录表明，在中生代末期，许多动植物突然灭绝。
The fossil record suggests that there was an abrupt extinction of many plants and animals at the end of the Mesozoic era.
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.
银杏是中生代幸存下来的植物。
中生代，广东植物区系成分发生了很大的变化，裸子植物大量繁盛，但总体上是在本区晚古生代华夏植物区系的基础上演化而来的。
In Mesozoic, Guangdong flora had a big change, the gymnosperm was prosperous, but it was evolved from the late Paleozoic Cathaysian flora as a whole.
中生代，广东植物区系成分发生了很大的变化，裸子植物大量繁盛，但总体上是在本区晚古生代华夏植物区系的基础上演化而来的。
In Mesozoic, Guangdong flora had a big change, the gymnosperm was prosperous, but it was evolved from the late Paleozoic Cathaysian flora as a whole.
应用推荐