Frequently, these were taken by theropods.

这些经常被兽脚亚目食肉捕食。

These sizes are exceptional among theropods.

这种型在兽脚亚目中罕见的。

Instead of theropod footmarks, they found those of crocodilians.

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.

非鸟兽脚类被称为兽脚亚目群的一部分。

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

未来还会发现更多奇特的兽脚亚目。

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

兽脚亚目包括所有诸如暴之类的食肉。

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

我们已经描述了一种新兽脚亚目，我们命名它为 Pendraig milnerae。

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

鸟从侏罗纪晚期的兽脚亚目进化而来的。

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

但这并不能完全解释兽脚亚目食肉的缺位。

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

像兽脚亚目类一样，这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.

在那样一种环境下，即便一头巨大的兽脚亚目食肉也会不时回头张望。

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

但，这种动物的近亲和几乎所有形似鸟类的兽脚亚目都有羽毛。

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家族。

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

当三角和剑长到八公尺长时，像暴这样的兽脚亚目类长了两倍大。

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.

很遗憾的对于玛君和多数兽脚类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--比霸王稍小一点——大型但生长缓慢的兽脚亚目的一个例子。

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

这一只兽脚亚目动物， 叫做海蝴蝶。