But Triceratops has one major disadvantage. lts night vision is no match for a tyrannosaur.

但三角龙有个致命的弱点，它的夜视能力无法与霸王龙相提并论。

So perhaps the young tyrannosaurs were using their arms more to tackle prey.

所以可能幼年霸王龙是用前爪来对付猎物。

Suskityrannus is the first really good record of the early tyrannosaurs in North America, he wrote in an email.

他在电邮中写道，" 郊狼暴龙是北美早期霸王龙的首个最佳记录。"

And this includes a fairly large tyrannosaur.

这包括一个相当大的霸王龙。

These were the tyrannosaurids, the largest of the tyrannosaurs.

这些是霸王龙，最大 的霸王龙。

Spinosaurus, though a carnivorous theropod, is not a Tyrannosaur.

棘龙虽然是食肉兽脚类动物，但不是霸王龙。

Let's contrast that with the skull of this tyrannosaur.

让我们将其与这只霸王龙的头骨进行对比。

And their decline meant that the large carnivores, like the tyrannosaurs, were doomed as well.

它们的衰落意味着大型食肉动物， 如霸王龙，也注定要灭亡。

Van Bijlert:  And to do that, we found a fossilized trackway of a smaller tyrannosaur.

Van Bijlert：为此，我们发现了一条较小的霸王龙的化石足迹。

For example, Yutyrannus, a tyrannosaur from China, had little wisps that grew from follicles in its skin.

例如，羽暴龙，一种来自中国的霸王龙，它的皮肤上有从毛囊中长出的小丝线。