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用前爪来对。

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的首个最佳记录。"

And this includes a fairly large tyrannosaur.

包括一个相当大的霸王龙。

These were the tyrannosaurids, the largest of the tyrannosaurs.

些霸王龙，最大 的霸王龙。

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

棘龙虽然食肉兽脚类动，但不霸王龙。

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

让我们将其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， 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。

Similarly, in dinosaurs like tyrannosaurs, the tibia was much longer than the femur in the juveniles.

同样，在霸王龙样的恐龙中，幼年时期的胫骨比股骨长得多。

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

霸王龙等大型兽脚类动可能在 20 年内达到成年体型。

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

但也意味着霸王龙会更快疲倦。

The proportions and shapes of the tyrannosaur arm bones are a little bit different than those in the human arm.

霸王龙手臂骨骼的比例和形状人类手臂骨骼的比例和形状略有不同。

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，它附着在臀部附近的高处。

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.

虽然恐龙和哺乳动的亲缘关系并不密切，但人类手臂的骨骼霸王龙的骨骼相同。

Here, I have the lower jaw of a tyrannosaur.

在里，我有霸王龙的下颚。

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侏罗龙样的恐龙有原始羽毛，中央的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 许多驰龙、伤齿龙和早期霸王龙亲属共享一个环境，因此食肉动之间的竞争压力可能相当高。