Frogs, snails and puppy dogs all have tails.
青蛙，蜗牛和小狗都有尾巴。
他们必须有尾巴。
When they're recreated, they won't have tails.
当文件被重新创建时，就不会有tail了。
Many animals have tails. They use their tails for many different purposes.
很多动物都有尾巴，它们的尾巴有不同的用途。
Most other fish have tails that are essentially symmetrical from top to bottom.
其他鱼的尾巴基本上都是从上到下对称的。
He's actually a mix between a mandrill and a baboon, as mandrills don't have tails.
事实上他是山魈和狒狒的结合体——因为山魈没有尾巴。
Rafiki isn't a baboon. Sorry. He's actually a mix between a mandrill and a baboon, as mandrills don't have tails.
不好意思，拉菲奇其实并不是狒狒。事实上他是山魈和狒狒的结合体——因为山魈没有尾巴。
Some comets have comas that can reach nearly 1 million miles (1.6 million kilometers) wide, and some have tails reaching 100 million miles (160 million kilometers) long.
但一些彗星的彗发宽度可达将近100万英里(160万公里)，一些彗尾长度则可达1亿英里(1.6亿公里)。
猪有短短的尾巴。
它有很多尾巴吗？
They have long noses, big ears, and short tails.
它们有长鼻子，大耳朵和短尾巴。
That is why bears have short tails.
这就是熊尾巴短的原因。
We think meteors that crashed into the moon or tails of passing comets may have introduced water molecules.
我们认为，撞击月球的流星或经过的彗星尾巴可能会留下一些水分子。
The birds are hard to observe, as they live in a region of mountainous forest, so the researchers have attached tiny cameras to the tails of some birds, as one method of investigating their behaviour.
这些鸟很难观察，因为它们生活在山区森林里，所以研究人员在一些鸟的尾巴上安装了微型摄像机，以此作为一种研究它们行为的方法。
It is that even to this day bears have short tails, hibernate all winter, and have no love at all for fox.
这就是为什么即使现在熊也只有短短的尾巴，整个冬天都冬眠，而且一点也不喜欢狐狸。
They have their tails in their mouths, and they're all over crumbs.
它们把尾巴放在嘴里，身上全是面包屑。
What kind of tails do they have?
他们长着什么样的尾巴？
Typical phages have hollow heads that store their viral DNA and tunnel tails with tips that bind to specific molecules on the surface of their target bacteria.
典型的噬菌体有存储它们病毒DNA的空心头部和带有尖端的隧道式尾巴，此尖端表面有它们的目标细菌的分子。
Aurochs have higher humps, longer horns and tails.
前者有更高的背，更长的角和尾巴。
Thus each mother spoke of her baby, and their babies talked after their own fashion, and made use of the little nippers they have in their tails to nip the beard of the beetle.
所有的妈妈都在说自己的孩子，用他们自己认为很时髦的方式，用他们尾巴里的小钳子去轻夹金龟子的胡子。
Does he have nine bushy tails like the late Mr. Fox?
他有九条尾巴吗？
Two spectacular tails of X-ray emission have been seen trailing behind a galaxy using the Chandra X-ray Observatory.
通过ChandraX射线观测台，我们观测到一个星系拖曳着两个由X射线射流组成的壮丽的大尾巴。
Squirrels in South Africa have also been studied and found to be using their tails in another temperature related way.
南非的松鼠也被研究过，发现它们的尾巴有另一种跟温度有关的使用方法。
I mean, are those the biggest lobster tails you have ever seen?
我想问，这是你所见过的最大的龙虾尾吗？
But it’s a funny thing. Even today, rats have no hair on their tails, turtles’ shells are cracked, and frogs have bulging eyes and bumpy skin.
但有趣的是，一直到现在：老鼠的尾巴上都不长毛，乌龟的壳有裂纹，蟾蜍的眼睛鼓鼓的，皮肤上长满疙瘩。
Many birds have a variety of colors throughout their body, changing from the tops of their heads to the tips of their tails.
许多鸟类全身从头顶到尾尖变化覆有有多种颜色。
They have strong jaws with razor-sharp teeth and sharp tails, which make up half their body length and can be used as whips to drive off predators.
它们的下颚有力，牙齿锐利，占其体长一半的尖尾能够充当鞭子驱散捕食者。
Some animals, as the fox and the squirrel, have bushy tails.
有些动物例如狐狸和松鼠，有浓密的尾巴。
Some animals, as the fox and the squirrel, have bushy tails.
有些动物例如狐狸和松鼠，有浓密的尾巴。
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