In the late Cretaceous period, temperatures inexplicably began to climb.

在晚白垩纪时期气温莫名地又开始攀升。

Quetzalcoatlus would make all other animals in the Late Cretaceous stare.

披羽蛇翼龙能让白垩纪晚期的其他动物汗毛倒立。

So the inspiration was late Cretaceous period, so hence this bad boy over here.

所以灵感来自白垩纪晚期，所以这里有这个坏男孩。

The biggest birds of the late-Cretaceous, like Avisaurus, had wingspans no more than 2 meters across.

白垩纪晚期最大的鸟类，如 Avisaurus， 翼展不超过 2 米。

However, by the late Cretaceous period, flowering plants began to appear, forever changing the face of our planet and providing new food sources for various herbivorous dinosaurs.

然而，到了白垩纪晚期，开花植物开始出现，永远改变了我们星球的面貌，并为各种草食恐龙提供了新的食物来源。

Then, in the 1870s, American paleontologist O. C. Marsh described two more species that illuminated the transition between dinosaurs and birds, found in late Cretaceous rocks from Kansas.

然后，在 1870 年代， 美国古生物学家 O. C. Marsh 描述了另外两个物种， 它们阐明了恐龙和鸟类之间的过渡，它们是在堪萨斯州的白垩纪晚期岩石中发现的。

Those two dinosaurs fill the gap in the fossil record between their Jurassic ancestors and the Late Cretaceous alvarezsaurs, and their transitional features hint at what was to come.

这两种恐龙填补了它们的侏罗纪祖先和晚白垩世阿瓦雷兹龙之间的化石记录空白，它们的过渡特征暗示了即将发生的事情。

This seven-metre-long late-Cretaceous herbivore, shielded by thick bony plates and armed with a club at the end of its tail, has been depicted for decades using its weapon to batter the likes of Tyrannosaurus.

这种七米长的白垩纪晚期食草动物，被厚厚的骨板保护着，尾巴末端有一根棍子，几十年来一直被描绘成用它的武器打击霸王龙等动物。

Similar soot can still be found in ancient rocks from volcanic fires of 66 million years ago, a record of the cataclysm touched off by an asteroid at the end of the late Cretaceous epoch.

类似的烟灰仍然可以在 6600 万年前火山大火的古老岩石中找到，这是白垩纪末期一颗小行星引发的灾难的记录。