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

但三角龙有个致命弱点，夜视力无法与霸王龙相提并论。

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

所以年霸王龙用前爪来对付猎物。

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，" 郊狼暴龙北美早期霸王龙首个最佳记录。"

And this includes a fairly large tyrannosaur.

这包括一个相当大霸王龙。

These were the tyrannosaurids, the largest of the tyrannosaurs.

这些霸王龙，最大 霸王龙。

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

棘龙虽然食肉兽脚类动物，但不霸王龙。

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

让我将其与这只霸王龙头骨进行对比。

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

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，我发现了一条较小霸王龙化石足迹。

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

例如，羽暴龙，一种来自中国霸王龙，皮肤上有从毛囊中长出小丝线。

Large theropods like tyrannosaurs, could have reached adult size in 20 years.

霸王龙等大型兽脚类动物在 20 年内达到成年体型。

But it also means that the tyrannosaur would tire out more quickly.

但这也意味着霸王龙会更快疲倦。

In most carnivorous dinosaurs, like tyrannosaurs, it attached high up, near the hips.

在大多数食肉恐龙中，如霸王龙，附着在臀部附近高处。

So, in a sprint, a tyrannosaur would definitely outpace a hadrosaur.

因此，在短跑中，霸王龙肯定会超过鸭嘴龙。

Although dinosaurs and mammals are not closely related, a human arm has the same bones as those of a tyrannosaur.

虽然恐龙和哺乳动物亲缘关系并不密切，但人类手臂骨骼与霸王龙骨骼相同。

Here, I have the lower jaw of a tyrannosaur.

在这里，我有霸王龙下颚。

Dinos like the small tyrannosaur Dilong and the tiny carnivore Juravenator had protofeathers with a central stalk that branched off near the top.

像小型霸王龙帝龙和小型食肉动物侏罗猎龙这样恐龙有原始羽毛，中央茎杆在顶部附近分叉。

Falcarius shared an environment with a host of dromaeosaurs, troodontids, and early tyrannosaur relatives, so competitive pressure among carnivores was likely pretty high.

Falcarius 与许多驰龙、伤齿龙和早期霸王龙亲属共享一个环境，因此食肉动物之间竞争压力相当高。

These two large tyrannosaur cousins are found in the same rocks, and are closely related.

这两个大型霸王龙表亲在同一块岩石中发现，并且关系密切。

There are actually four separate tyrannosaur species here.

这里实际上有四种不同霸王龙。