Frequently, these were taken by theropods.

这些恐龙经常被兽脚亚食肉恐龙捕食。

These sizes are exceptional among theropods.

这种体型在兽脚亚恐龙中是罕见的。

Instead of theropod footmarks, they found those of crocodilians.

他们发现的是鳄鱼的足迹，而不是兽脚类的。

Some small theropods grew quickly and others grew slowly.

有些小型兽脚亚恐龙生长得很快，而另一些则生长缓慢。

Natovenator is part of the dinosaur group called theropods.

非鸟兽脚类恐龙是被称为兽脚亚恐龙群体的一部分。

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恐龙。

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

兽脚亚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.

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

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

鸟是从侏罗纪晚期的兽脚亚恐龙进化而来的。

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.

像兽脚亚类恐龙一样，这些巨人使用气囊来呼吸，而且有很轻的中空骨骼。

The creature, with sharp claws, appears to be from a group of dinosaurs called theropods.

这种有着锋利爪子的生物似乎来自一种名为兽脚类的恐龙。

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，即便是一头巨大的兽脚亚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.

但是，这种动物的近亲和几乎所有形似鸟类的兽脚亚恐龙都有羽毛。

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，像暴龙这样的兽脚亚类恐龙长了两倍大。

Bigger, three-toed footprints came from large-bodied, two-legged plant-eaters called ornithopods or perhaps, the researchers say, a large theropod.

研究人员说，更大的、三趾的脚印来自体型庞大的两腿植食动物--鸟脚类动物，或者是一种大型兽脚类动物。

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.

很遗憾的是对于玛君龙和多数兽脚类恐龙来说我们都没有很多标本。