Up on the next level, we see another trackway of a giant.

更上一层，我们看到了另一头巨型动物的踪迹。

On the next level, we find the extraordinary trackway of a bipedal crocodile.

继续往上，我们看到双足鳄鱼留下的特别足迹。

And some of the earliest evidence we have for that is there's these trackways, so scorpion footprints alongside ancient riverbeds.

我们拥有的一些最早的证据是这些足迹，蝎子的脚印沿着古老的河床。

On the next level, we see a series of parallel trackways representing the dinosaurs we call Brontosaurus.

向上一层，我们可以看到一系列平行足迹，来自我们所称的“雷龙”。

Eustacia bounded into the vehicle and sat on the stool, ensconced from view on the side towards the trackway.

游苔莎跳进篷车里，在凳子上坐下，她躲起来，不让道路那一边的人看见。

That was when paleontologists studied the trackways of hadrosaurs.

那是古生物学家研究鸭嘴龙足迹的时候。

Dinosaurs also left us plenty of trackways, when they were alive.

恐龙还活着的时候也给我们留下了许多足迹。

This trackway was made by a single individual, entering from the northeast.

这条轨道是由一个人从东北进入的。

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。

He'd found one of the first pterosaur  trackways ever to be discovered.

他发现了有史以来最早发现的翼龙足迹之一。

With axes the settlers made for themselves a new wooden world: they felled timber and built fences and trackways, houses and boats.

他们砍伐木材, 建造栅栏，道路, 房屋和船只。

So, to solve this murder mystery, we're looking at the clues they left behind: trackways, burrows, and well-preserved poo.

所以，为了解开这个谋杀之谜，我们正在寻找他们留下的线索：轨道、洞穴和保存完好的粪便。

By measuring the stride length of a trackway we can estimate the speed at which an animal was moving.

通过测量轨道的步幅长度，我们可以估计动物移动的速度。

But even general identifications like this can  be hard to make when it comes to trackways.

但是，当涉及到轨道时，即使是这样的一般识别也很难。

In 2014, scientists in British Columbia discovered trackways made by three Tyrannosaurs that had all been walking side by side.

2014年，不列颠哥伦比亚省的科学家发现了由三只霸王龙并排行走所制造的行迹。

A big trackway discovered in Carboniferous rock in Scotland has been attributed to Hibbertopterus.

在苏格兰石炭纪岩石中发现的一条大轨道被归因于 Hibbertopterus。

The researchers interpreted this trackway as having been made by a carnosaur, a theropod much, MUCH larger than the little track makers.

研究人员将这条轨道解释为由食肉龙制造，这是一种比小型轨道制造者大得多的兽脚类恐龙。

This is part of what makes the interpretation of the Lark Quarry trackways so hard, and interesting!

这是 Lark Quarry 轨道的解释如此困难和有趣的部分原因！

For example, trackways are one of the best sources of evidence for establishing how fast extinct animals could move.

例如，轨道是确定灭绝动物移动速度的最佳证据来源之一。

These trackways give us a unique glimpse  into a part of pterosaur life that most people probably don't think about that often.

这些足迹让我们得以独特地一瞥大多数人可能不会经常想到的翼龙生活的一部分。