Frequently, these were taken by theropods.

些恐龙经常被兽脚亚目食肉恐龙捕食。

These sizes are exceptional among theropods.

型在兽脚亚目恐龙中罕见的。

Instead of theropod footmarks, they found those of crocodilians.

他们发现的鳄鱼的足迹，而不兽脚类的。

Some small theropods grew quickly and others grew slowly.

有些小型兽脚亚目恐龙生长得很快，而另一些则生长缓慢。

Natovenator is part of the dinosaur group called theropods.

非鸟兽脚类恐龙被称为兽脚亚目恐龙群的一部分。

He believes there will be more discoveries of peculiar theropods in the future.

他相信未来还会发现更多奇特的兽脚亚目恐龙。

The theropod group includes all the meat-eating dinosaurs like Tyrannosaurus.

兽脚亚目恐龙包括所有诸如暴龙之类的食肉恐龙。

We've described a new theropod dinosaur species, we called it Pendraig milnerae.

我们已经描述了一新兽脚亚目恐龙，我们命名它为 Pendraig milnerae。

Birds evolved from a grouping of dinosaurs known as theropods in the late Jurassic.

鸟罗纪晚期的兽脚亚目恐龙进化而来的。

But that does not completely explain the absence of theropod tracks.

但并不能完全解释兽脚亚目食肉恐龙的缺位。

Like the theropods, these titans used air sacs to breathe and had light, hollow bones.

像兽脚亚目类恐龙一样，些巨人使用气囊来呼吸，而且有很轻的中空骨骼。

In that sort of environment even a big theropod would constantly have been looking over its shoulder.

在那样一环境下，即便一头巨大的兽脚亚目食肉恐龙也会不时回头张望。

But, the animal's closest relatives and almost all bird-like theropods have feathers.

但，动物的近亲和几乎所有形似鸟类的兽脚亚目恐龙都有羽毛。

He said, " The diversity of theropod dinosaurs by the end of the Cretaceous is totally amazing."

“到白垩纪末，兽脚亚目恐龙的多样性令人惊叹。”

All the known sets of prints that show speed come from a family of dinosaurs called theropods.

所有已知的能测出速度的脚印都来自兽足亚目恐龙家族。

While Triceratops and Stegosaurus grew up to eight meters long, bird-like theropods like Tyrannosaurus grew twice as large.

当三角龙和剑龙长到八公尺长时，像暴龙样的兽脚亚目类恐龙长了两倍大。

D'Emic told Reuters news agency the latest research " overturns" past thinking about the growth of theropods.

德埃米克告诉路透社，最新的研究“颠覆了”过去关于兽脚亚目恐龙生长的想法。

Unfortunately, for Majungasaurus and most theropod dinosaurs, we don't have a lot of specimens to work with.

很遗憾的对于玛君龙和多数兽脚类恐龙来说我们都没有很多标本。

Acrocanthosaurus – which is a bit smaller than T. rex – was an example of a big but slow-growing theropod.

高棘龙--比霸王龙稍小一点——大型但生长缓慢的兽脚亚目恐龙的一个例子。

This here is a theropod, it's called a sea butterfly.

一只兽脚亚目动物， 叫做海蝴蝶。