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目恐龙。

It was thought that dinosaurs that grew the fastest also got bigger than other theropods.

科学家认为，生长速度最快的恐龙的体型也比其他兽脚目恐龙的体型更大。

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。

If we look at this first surface, we'll see one of those fast-moving theropods heading off to the north at high speed.

在这片表面上，可以看出有一头速的兽脚目恐龙正高速向北边前进。

Presumably, it was lost by their theropod ancestors, which did not need it. Dr Toda's and Dr Baldwin's experiments have shown how this loss was reversed.

据推测，它是兽脚目物的祖先遗失的，它们并不需要它。户田博士和鲍德温博士的实验这种损失是如何逆转的。

This is from the foot of Utahraptor, and it's unlike the claws in the feet of other theropods in that it's very narrow, you can see, it's narrow in section.

这来自犹他盗龙脚上的，它不像其它兽脚类恐龙的脚爪，它非常窄，你能看到，这部分很窄。

Paleontologists believe it belongs to a toothless theropod dinosaur, or oviraptorosaur, dating back 72 to 66 million years, within the Cretaceous Period.

古生物学家认为它属于一种无牙兽脚类恐龙，或称卵龙，可以追溯到7200万至6600万年的白垩纪时期。

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，像暴龙这样的兽脚目类恐龙长两倍大。

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目恐龙家族。

But even for these early theropod dinosaurs, the one we've now discovered is actually very, very small.

但即使是这些早期的兽脚目恐龙，就是我们现在发现的这种恐龙，真的非常非常小。

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

像兽脚目类恐龙一样，这些巨人使用气囊来呼吸，而且有很轻的中空骨骼。

Frequently, these were taken by theropods.

这些恐龙经常被兽脚目食肉恐龙捕食。

These sizes are exceptional among theropods.

这种体型在兽脚目恐龙中是罕见的。

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目恐龙进化而来的。

Meat eaters need not detect sugar in the way that, say, fruit eaters do, and genetic analyses of modern birds suggest their theropod ancestor had lost the ability to taste sweetness.

肉食者不需要像水果食者那样检测糖分，对现代鸟类的基因分析表明，它们的兽脚目祖先已经失去品尝甜味的能力。

By comparing " Baby Yingliang" with the embryos of other dinosaurs and birds, the research team proposed that such pre-hatching behavior, which was previously thought unique to birds, evolved in theropod dinosaurs tens or hundreds of millions of years ago.

通过将“英良宝宝”与其他恐龙和鸟类的胚胎进比较，研究团队提出，这种以前被认为是鸟类独有的预孵化为，是在数千万或数亿年前兽脚类恐龙中进化而来的。

Once we look at theropod dinosaurs, virtually any species where we have multiple specimens, we do see that they tends to be two morphs or two type once they get to adult stage.

只要我们观察兽脚类恐龙，对于有多个样本的物种都能看到在其成年阶段会有呈两种形态的趋势。

And it's actually a very interesting animal, because it's the oldest known theropod dinosaur, so meat-eating dinosaur, from the UK.

它实际上是一种非常有趣的物，因为它是已知最古老的兽脚目恐龙，也就是食肉恐龙，来自英国。

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物--鸟脚类物，或者是一种大型兽脚类物。

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目食肉恐龙也会不时回头张望。