But they were no match for the real giants of the era, Prosauropods.

但它们都不是这个时期真正的巨人，原。

But paleontologists believe that ninjatitans were sauropods with bodies like brontosaurus.

但古生物学者认为忍者泰坦龙是和雷龙的身体一样的动物。

Reaching enough food wasn't a problem for the titanosaurs and other sauropods either.

获得充足的食物对泰坦龙和其他恐龙来说不成问题。

The real super-stars of the show are the sauropods.

本期视频的真正超级明就是恐龙。

And it's this anatomy that enabled Prosauropods to evolve into the largest dinosaurs of all time.

正是这种解剖学使原进化成上最大的恐龙 。

Sauropods are dinosaurs that walked on four legs, had long necks and tails and ate plants.

恐龙四肢行走，脖子和尾巴都很长，属草食性恐龙。

But the colossal crown goes to a group of sauropods called titanosaurs.

但巨冠要颁给恐龙中的泰坦龙。

Allosaurus was feeding on sauropods - animals that are multi-times the size of our largest mammals today, the elephant.

异特龙捕食恐龙，这些动物的体型是如今最大的哺乳动物大象的好几倍。

Agility-wise Tenontosaurus is certainly much better off than, any of the Ceratopsians or Sauropod dinosaurs.

任何角龙和的恐龙都没有腱龙灵活。

Certainly not as sort of plodding as what we think many of the long-necked Sauropods were like.

当然也不是我们想象中那些长颈那样蹒跚踱步。

Allosaurus's feeding on sauropods, animals that're multi-times the size of our largest mammals today, the elephant.

异特龙捕食恐龙，恐龙可比如今陆地上最大的哺乳动物大象还要大好几倍。

Its momentum literally drives it directly under the foot of the massive Sauropod.

巨大的惯性把它直接送到了这硕大的恐龙下。

Of course, to fossil-itate their research, they have to explore many Sauro-possibilites .

当然，为了验证他们的研究，他们必须探索许多可能的化石。

From where the sauropod stood, there would have been no early warning signs.

从恐龙所在的位置来看，不会有任何预警信号。

So birds are Saurischian dinosaurs, but are all Saurischian dinosaurs birds?

那么鸟是恐龙，但是所有恐龙都是鸟吗？

It may have fed solely on Sauropods, it may have fished, it may have gone after smaller prey.

它可能只以恐龙为食，它也许以鱼为食，它可能攻击更小的猎物。

But others, like sauropods, faced a different challenge.

但其他恐龙，如恐龙，会面临不同的挑战。

But how did two sauropods, or worse, two stegosaurus, manage to, well, have sex?

但是，两只动物，或者更糟的是，两只剑龙，是如何设法交配的呢？

I see it in the tremendously long cervical ribs on that tremendous sauropod.

我在那只巨大的恐龙极长的颈肋上看到了这一点。

Only the type of dinos known as saurischians had them.

只有被称为的恐龙拥有它们。