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

鼹鼠的门牙可以自行移动，像筷子一样共同工作。

All so their modified incisors can be used as a raw material for art in Asia or the bows of string instruments in Europe.

这样一来，加工过的象牙可被当做亚洲艺术的原材料或欧洲弦乐器里的饰片。

And then we have central incisors and laterals just on the outsides.

然后是中切牙和外侧的侧切牙。

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

我们所有的八颗门牙都位于口腔的前部。

The paper reports that “the common finding was a narrowing of the mandibular dental arch and a decrease in maxillary arch length, causing an incisor cross-bite.”

“最普遍的情况是下颌牙弓变窄，上颌弓内缩，从而导致门牙咬合。”

Leonard, have you ever wondered why my little toes and lateral incisors are significantly smaller than the average for someone of my size?

兰纳德你想过为啥我的小脚趾和侧门牙要比和我一号的人小很多吗？

Their teeth snip grass with front incisors and crush it with back molars, leaving a useful gap for a bit.

马用前面的切牙咬断草，用后面的磨牙将草嚼碎，之间的缝隙就可以用来咬别的东西。

With these razor-sharp incisors, a seal is able to scrape away fresh ice and keep the hole open.

有了这些锋利的门牙，海豹就能刮掉新冰，保持洞口畅通。

The very first teeth we grow are incisors, appearing when we are around 6 months old.

我们长出的第一颗牙齿是门牙，在我们六个月左右的时候出现。

Premolars are bigger than canines and incisors.

前磨牙比尖牙和门牙大。

Most adults have 32 teeth called permanent or secondary teeth; 8 incisors, 4 canines, also called cuspids, 8 premolars, also called bicuspids, 12 molars, including 4 wisdom teeth whereas children have 20 teeth.

大多数成年人有 32 颗牙齿，称为恒牙或副牙；8 颗门牙，4 颗尖牙也叫犬牙，8 颗前磨牙，也称为双尖牙，12 颗臼齿，包括 4 颗智齿，而童有 20 颗牙齿。

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，我们就用我们的门牙。

Canines are four teeth which sit next to the incisors.

尖牙是位于门牙旁边的四颗牙齿。

I have this thing with my molars mostly, but also a bit on my incisors.

我主要是智齿有问题，但也有一点是门牙。

When you're carefully scraping tartar off someone's incisors.

当你小心翼翼刮除某人门牙上的牙石时。

Both canines and incisors, grow up to 50cm long in an adult male.

成年雄性的犬齿和门牙均可长至 50 厘米长。

He treated a syphilitic child and pointed out to Mr. Singer the scaling eruption on the palms of the hand, the dull, opaque surface of the eye, the sloping upper front incisors.

他治疗了一个患有梅毒的孩子， 并向辛格先指出了手掌上的鳞屑疹、暗淡、不透明的眼睛表面， 以及倾斜的上前门牙。

But it, like, It's difficult to explain why it has such a powerful bite, and it also, of course, has very large incisor teeth, as well as chewing teeth, so.

但就像，很难解释为什么它有如此强大的咬合力，而且当然， 它还有非大的门牙以及臼齿，所以。

Rodents are mammals that have a single pair of sharp incisors, which are narrow-edged teeth at the front of their mouth, in both the upper and lower jaws.

啮齿动物是具有单对锋利门牙的哺乳动物，这些门牙是位于它们口腔前部的窄边牙齿，在上下颌都有。

And it's like, okay, we can get, we can do half of your canine incisor, but the other half it's not covered.

而且就像， 好吧， 我们可以报销你狗的犬齿的一半，但另一半就不报销了。