They are the front teeth, they are the front teeth, they are the front teeth.

它们，它们，它们。

Your front teeth are very important Maggie.

很重要的，麦琪。

All eight of our incisor teeth are located in the front part of our mouth.

我们所有的八颗都位于口腔的前部。

You always see the front teeth when you smile.

笑的时候总能看到。

A mole rat's incisor teeth can move on their own, working together like chopsticks.

鼹鼠的可以自行移动，像筷子一样共同工作。

I think you will have two front upper teeth soon.

我想你很快就会有两颗在上面的。

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

形如匕首边缘呈锯齿状，用以撕咬血肉。

As rodents, beavers have powerful front teeth.

作为啮齿类动物，海狸有强有力的。

We have four of them in our upper jaw and four in our lower jaw.

八颗分别上颚有四个，下颚有四个。

Much like their teeth, beavers continue to grow as long as they live.

和一样，海狸本身也会不停的生长。

Oh, wow! Look at these really big front teeth, here and here.

哦, 哇! 看看这些巨大的，这里和这里。

Who would've thought Mom and Teddy Roosevelt were identical front-teeth twins?

谁会想到妈妈和泰迪·罗斯福[前总统]都长得一样呢？

And last, but certainly not least, was Ava… with her two, big front teeth.

最后，但肯定不最不重要的，艾娃… 她的两个大。

Canines are four teeth which sit next to the incisors.

尖位于旁边的四颗齿。

When the sun rose yesterday, someone joked that the city was missing its two front teeth.

昨天早上太阳升起的时候，有人开玩笑说纽约城了两颗大。

Premolars are bigger than canines and incisors.

前磨比尖和大。

You can probably feel your tongue touching the top of the mouth, right behind your front teeth.

你可能会感觉到你的舌头碰到了嘴的上半部分，就在你的后面。

The very next day, in a fit of rage, the student knocked out one of her teacher's front teeth.

就在第二天，在一怒之下，这个学生把老师的一颗打掉了。

Oh look at this. OK. Now, we're ready to clean the front teeth… Yeah! And sing the song.

哦，快看。好的。现在，我们准备好清洁了… … 边唱边刷。

Whenever we sink our teeth into something, such as an apple, we use our incisor teeth.

每当我们咬东西的时候，比如一个苹果，我们就用我们的。