If you said, Beaver, put your tails up.

如果你回答，海狸，请把尾巴翘起来。

I suspect lambs can shake their tails very fast.

我猜小羊能很快速地摇动尾巴。

They insist on moving around and swishing their tails.

它们一直在动来动去并且甩着尾巴。

So where are their special tails?

那们尾巴怎麽不特别？

In Africa and Asia, monkeys’ tails are just...tails.

在非洲和亚洲，尾巴...就只是尾巴。

" I didn't know sharks had such handsome, beautifully formed tails."

“我不知道鲨鱼有这样漂亮尾巴，形状这样美观。”

Some dog breeds seem to love chasing their tails more than others.

有些似乎比其更喜欢追逐自己尾巴。

But the dogs only wagged their tails and the cats only purred.

可是，那些狗只会摇尾巴，猫也只会发出呼噜声。

Coloured coats, curly tails and floppy ears.

不同花色皮毛，卷曲尾巴，松软耳朵。

Others like greyhounds tuck their tails.

还有些狗，比如格雷伊猎，它们尾巴是夹起来。

It's important to recognize that different breeds carry their tails at different heights.

识别狗尾巴摇摆不同高度和类型很重要。

Porcupines swing their tails to stick predators with their quills.

豪猪会摇尾巴来使掠食者被自己刺给粘住。

So why do dogs chase their tails?

那么狗为什么要追尾巴呢？

That's why puppies tend to chase their tails more than adult dogs.

这就是为什么小狗比成年狗更喜欢追逐尾巴原因。

Muscular tails strike with the power of sledgehammers.

强壮尾巴一击如同重锤。

A rare group of scorpions will sometimes break off their tails to escape predators.

一群罕见蝎有时会折断尾巴以逃避捕食者。

With some moths they snipped the hind wing lobes and tails.

们剪断一些飞蛾后翅叶和尾端。

The damaged neurons regrew their long signaling tails, called axons.

受损神经元重新长出长信号尾，这个便是轴突。

The gas and the dust from comets form two different tails.

彗星上气体和尘埃形成了两个不同尾巴。

Today, we know human embryos have tails that dissolve as the embryo develops.

今天，我们知道人类胚胎尾巴会随着胚胎发育而被溶解。