And that's where our four-legged friends, the cows, come to the rescue.

这时，我们的友——牛——就会来拯救我们。

It's the famous robot quadruped, or four-legged dog-like machine from Boston Dynamics.

这是波士顿力公司著名的机器人，也就是条腿的狗一样的机器。

Whatcheeria was an early tetrapod, as the first land animals with backbones were known.

瓦切螈是一种早期的，作为第一批有脊椎的陆地为人所知。

Quadrapeds like Pachyrhinosaurus walk on all fours.

像肿鼻角龙这样的恐龙用全部肢行走。

It was a magnificent sea otter from the genus Enhydra, the only exclusively marine quadruped.

倒下来的是一只很看的水獭，一只水兽，它可能是住在海中的唯一的兽了。

Particularly if those skills might come in handy for our four-footed little friends.

尤其是碰到我们可爱的友迟早有用的技能。

This was the missing link between bony fishes and tetrapods, including human beings, so this was a fantastic expectation.

这是硬骨鱼和包括人类在内的之间缺失的一环，所以对我们来说这种期待很奇妙。

So, we've kind of moved on from a bird launch, and now we think that they were launching quadrupedally.

我们研究了鸟类起飞的姿势，现在我们认为翼龙是用行走的方式起飞的。

Game with four paws, Professor Aronnax, Ned Land replied. All these pigeons are only appetizers, snacks.

还短一只的猎，阿龙纳斯先生。尼德·兰回答，所有这些鸽子、山鸠都不过是零食和小吃。

Unlike many early tetrapods, bones of Whatcheeria have been discovered from different points in the animal's life.

与许多早期不同的是，人们发现了瓦切螈不同生命阶段的骨骼。

The squat four legged Gastonia's heavy load slows him down to four to five miles per hour.

矮壮的加斯顿龙沉重的负荷使它的速度只有每小时4到5英里。

Pachyrhinosaurus though was a more compact quadrupedal kind of animal, a more sturdy build than what we see in Albertosaurus.

肿鼻角龙是一种更结实的，比阿尔伯特龙身体更加粗壮。

This animal came in the nick of time for us to bag some real quadruped meat, and it was warmly welcomed.

这猪正在我们追求真正兽肉的时候到来了，所以它很受欢迎，被留下了。

Your few four-legged ancestors, the tetrapods, struggled in tropical river plains.

你的少数祖先， ，在热带河流平原上挣扎。

I’m using “cow” to mean “four-legged farm animal that moos”.

我用“牛” 来表示“会哞叫的农场” 。

But it also had tetrapod like legs.

但它也拥有类似的腿。

It was a term of derision for two-legged as well as four-legged animals.

它是对两和的蔑称。

And he came up with one called The Four-Legged Zoo.

他构思出了一个名为《园》的节目。

It's a four-legged robot you can ride like a horse.

这是一款可以像骑马一样骑乘的机器人。

And a sauropod dinosaur is the type of dinosaur that walks on four legs.

一种蜥脚类恐龙是行走的恐龙。