Some dogs dig them, but mostly I think they enjoy tearing them up.

有些狗刨子，但我认为，大多数狗只是喜欢子。

But sometimes the others would kick and bite.

不过有时他踢打起来。

That's because Massasauga are shy and prefer to hide than bite their enemies.

因为侏响尾蛇很害羞，面对敌人宁愿躲起来而不是敌人。

A pit bull breeder is savagely mauled to death.

一名斗牛犬饲养者被残忍地致死。

You start biting those around you, hurting them, and causing them to avoid you.

你开始你周围的人，伤害他，致使他避开你。

It would have been unlikely to risk breaking them on bony armor.

但是尝试用它来骨盔似乎不太可能。

And this piranha-proof fish could be the key to a lighter load.

而这种不怕水虎鱼的巨骨舌鱼可能是减轻负重的关键。

These muscles give this carnivore's bite its speed.

这组肌肉保证的速度。

The front teeth are dagger-shaped with serrated edges designed to tear flesh.

门牙形如匕首边缘呈锯齿状，用以血肉。

Their life style of actually biting into other animals is pretty tough on their teeth.

它靠其它动物的生活方式对其牙齿是严峻考验。

They'll growl and they'll snarl and they smack and they scratch and they snap.

它叫，咆哮，拍打，抓挠，。

The shark is still very much alive and its bite could cause serious injury.

此时的鲨鱼还有很强的生命力，它的仍能造成致命的伤害。

In his Mouse-Tower on the Rhine!

在莱茵河畔的鼠塔里被群鼠。

With its teeth and its upper jaw the snail cuts off bits of the young plants for food.

凭借这样的牙齿与上颚, 蜗牛能够植物幼苗作为食物。

But some attack passers-by or chase cars down Santiago's main thoroughfare, the Alameda, occasionally ripping tyres with their teeth.

但是一些流浪犬攻击行人或者在圣地亚哥的主干道—林荫大道上追逐车辆，它有时用牙齿轮胎。

It was no task for him to learn to fight with cut and slash and the quick wolf snap.

对他来说, 习和狼式快攻的战术根本是小事一桩。

Think of a caveman, and maybe you imagine someone tearing at the flesh of an animal they've just hunted.

一想到穴居人，也许你的脑海中就浮现他在他刚刚猎杀的动物的肉的画面。

The ridges are remarkably similar to those of another animal with a deadly bite, a Komodo dragon.

这些隆起跟另一种致命的动物非常相似——科莫多龙。

That, actually, when it bites an animal, it, in a sense, infects it with the bacteria in its mouth.

其实就是当它别的动物时，把口腔里的细菌感染给该动物。

This frill forms an almost impenetrable shield, one able to repel the most powerful jaws the earth has ever known.

这些褶边组成了一块坚不可摧的盾牌，能够抵御自然界中最强的。