The researchers say the acanthothoracid was one of the earliest jawed vertebrates with teeth ever to live.

研究人员表示，acanthothoracid是有史以来最早有牙齿颚脊椎动物之一。

And then there's something green in your teeth.

然后你牙齿里有绿色东西。

I hate perfect teeth on monsters, they don't go to dentists.

我讨厌怪物有牙齿，它们又不去看牙医。

The creature had a large skull filled with teeth as well as large limbs.

这种生物有一个布满牙齿巨大头骨，还有巨大四肢。

This giant tooth right here is the canine tooth of a saber-toothed cat from an animal called Smilodon.

这个巨大牙齿是剑齿虎犬齿，这是一种有巨大牙齿猫科动物。

With its robust teeth and powerful bite, nothing could withstand its attack.

它有粗壮牙齿而且咬合力惊人，没有什么能承受它攻击。

Each tadpole has a mouth with tiny teeth to gnaw the plants on which it feeds.

每只蝌蚪嘴巴里都长有细小牙齿, 用来刮食植物。

You grin. Sure enough, there’s a gap in the top right where the tooth had once been.

你咧嘴一笑果然，曾经有牙齿地方有一个缺口。

He had razor-sharp teeth, giant claws, and a really mean growl.

他有很锐利牙齿、巨大爪子，还有十分可怕低吼声。

Sharks also have sharp teeth. They are known for being dangerous and eating whatever they want.

鲨鱼也有锋利牙齿。鲨鱼以危险著称，而且它们会吃下任何想吃东西。

These teeth were specifically designed to lock onto prey with slippery scales.

这些牙齿有特别设计能够锁住带有滑溜鳞片猎物。

A guy with four teeth was drinking a beer with my face on it.

一个有四颗牙齿家伙正在喝啤酒，面印着我脸。

He's got puppy teeth and they are not sharp.

他有小狗牙齿，但并不锋利。

Do our regulatory bodies have enough teeth here to fight back?

我们监管机构是否有足够牙齿来反击？

Actually, two, because one of them I kind of blackened in some teeth.

其实是两张 有一张牙齿被我涂黑。

The upper mandible has a tooth-like  protrusion that helps them grab prey.

颌骨有一个牙齿状突起，可以帮助它们抓住猎物。

They have different types of teeth.

他们有不同类型牙齿。

The song says that Mack has these beautiful, and of course dangerous, teeth.

这首歌说麦克有这些漂亮牙齿，当然也很危险。

The song begins by saying, " Oh, the shark babe, has such teeth, dear."

这首歌一开始就说， “哦，鲨鱼宝贝，有这样牙齿， 亲爱。

But it also meant this new watchdog had some real teeth.

但这也意味着这个新看门狗有一些真正牙齿。