And their jaws are so powerful, they could crush a watermelon like a grape!

它们的下颚非常有力，可以把西瓜像葡萄一样压碎！

He was a very big Make shark built to swim as fast as the fastest fish in the sea and everything about him was beautiful except his jaws.

它是条很大的灰鲭鲨，生就一副好体格，能游得跟海里最快的鱼一般快，周身的一切都很美，除了它的上下颚。

Their jaws are stronger than German shepherds and pit bulls with a bite force of 328 pounds that's about half of a shark's bite force, at 669 pounds.

它们的下颚比德羊犬和比特犬更有力，咬合力高达328磅，约为鲨鱼咬合力669磅的一半。

My mom told me I had a big jaw.

我妈说我的下颚很宽。

Don't look him directly in the mandibles.

你可别直视他的下颚。

In the bottom of the jaw, there's a dense area.

在下颚的底部，有一个密集的区域。

The jaws of this ant have evolved ultra-fast acceleration to catch prey.

这种蚂蚁的下颚进化出超快的加速度来捕捉猎物。

There were large fishhooks and harpoon points, including one made from a crocodile jawbone.

有大型的鱼钩和鱼叉的尖端，其中一件是用鳄类的下颚骨裂成。

And many scientists think that as people's diets have become less chewy, their jaws have gotten smaller — and that this has led to dental crowding, resulting in dental crookedness and impacted wisdom teeth.

学家认为，当人的饮食变得不那么需要咀嚼，他们的下颚就变小了——这就导致牙齿拥挤，造成咬合不正以及阻生智齿。

Your jaw is the lower part of your face below your mouth.

你的下颚就是指你脸部嘴巴下方的部位。

Its bottom jaw was hooked on my pants.

它的下颚钩在了我的裤子上。

So you can see the dog's jaw and the tongue.

你可以看见这条狗的下颚，还有舌头。

His big, toothy jaws opened and closed as he smiled at Cat and Wolf.

他巨大的下颚开了又阖，对着猫和狼露齿而笑。

Scientists at the University of California, Santa Barbara have been studying their jaws, which are made up of 10% copper proteins and are so strong that they last the worm's entire five-year lifespan.

加州大学圣巴巴拉分校的学家们一直在研究它们的下颚，它们的下颚由 10% 的铜蛋白质组成，非常坚固，可以维持这种蠕虫整整五年的寿命。

Their teeth are each like a small serrated knife and when they chomp their jaws together, their upper and bottom rows of teeth interconnect like a deadly pair of scissors.

它们的牙齿就像一把小小的锯齿刀，当它们一起咀嚼下颚时，它们的上下两排牙齿就像一把致命的剪刀一样相互连接。

That is the mouthpiece is shaped to where all the teeth on my lower jaw can touch the mouthpiece at the same time.

这个牙套让我的下颚上所有的牙齿都能同时接触到它。

But the rabbit laughed too soon, for the old alligator caught the end of the rabbit's tail in his great jaws and bit it off.

但是兔子笑得太早了，老短吻鳄用它巨大的下颚咬断了兔子的尾巴。

And even more confusing: the effects of genetics and environment are different for wisdom teeth in the upper jaw versus the lower jaw.

遗传和环境的影响对于上颚和下颚的智齿有所不同。

There was a singular prominence about his bearded chin which marked a man who was not to be easily turned from his purpose.

他那须髭的下颚向外突出的怪样，显示出了他那倔强的性格。

Their strong jaws allow them to crush shellfish and even coral, if need be, but they prefer to eat shrimp, fish, and squid.

它们强力的下颚可以咬碎贝类，必要时甚至珊瑚礁也可以，但它们更喜欢吃小虾、鱼类和乌贼。