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

它们都不是这个时期真正巨人，原蜥脚。

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

古生物学者认为忍者泰坦是和雷身体一样蜥脚动物。

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

巨冠要颁给蜥脚中泰坦。

Step 1: discover and dig A team from the Natural History Museum of Los Angeles County first spotted the sauropod dinosaur they call Gnatalie in 2007 after erosion revealed a single leg bone beside a bluff in southeastern Utah.

发现、挖掘2007年，犹他州东南部一座悬崖旁，有一根腿骨因侵蚀而暴露出来之后，洛杉矶自然史博物馆一个团队首次发现了这只蜥脚，他们称之为蚋塔。

One of the curious things about sauropods is that they did have a swelling in the spinal cord, in the neighborhood of their pelvis.

蜥脚奇妙之处在于它们在骨盆附近脊髓处有个突起。

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蜥脚那样蹒跚踱步。

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

本期视频真正超级明星就是蜥脚。

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

巨大惯性把它直接送到了这硕大蜥脚脚下。

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蜥脚进化成历史上最大 。

Unfortunately for this sauropod, it's unaware of the mud trap that lies just beneath the cracked and dry upper crust.

这头蜥脚很不幸，它没有注意到这个烂泥陷阱就藏在干硬开裂表层之下。

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

蜥脚四肢行走，脖子和尾巴都很长，属草食性。

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

获得充足食物对泰坦和其他蜥脚来说不成问题。

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

任何角和蜥脚都没有腱灵活。

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

异特捕食蜥脚，这些动物体型是如今最大哺乳动物大象好几倍。

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

异特捕食蜥脚，蜥脚可比如今陆地上最大哺乳动物大象还要大好几倍。

Ceratosaurus, although a pretty nasty predator, was not really suited for taking on adult size Stegosaurus or those long-necked sauropods found at the site.

角鼻，虽然是很凶残掠食者，肯定不适攻击在石场发现成年剑或是那种长颈蜥脚。

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

从蜥脚所在位置来看，不会有任何预警信号。

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

那么鸟是蜥脚，是所有蜥脚都是鸟吗？

A scene in the " Deserts" episode highlights how animators used this approach to show viewers the unexpected: two sauropods in the genus Dreadnoughtus wrestling and stabbing each other with deadly looking arm spines.

“ 沙漠” 剧集中一个场景突出了动画师如何使用这种方法向观众展示出乎意料事情：两只无畏属蜥脚动物用看似致命臂刺搏斗和刺伤对方。

From fossils on Earth, in the eastern part of South Africa, they've put together a picture of a Sauropod relative that's been given the name Ledumahadi Mafube.

通过地球上， 特别是南非东部化石，他们拼凑出了一幅与蜥脚相关图景， 并将其命名为莱杜马哈迪·马富贝。