With their razor sharp mandibles, they find it easy to rob the flowers of their nectar.

在它们如剃刀般锋利的上的帮助，它们能轻易掠取花中的蜜汁。

It is joined to the lower jaw in front, and not at the back as our tongues are.

舌头的端相连, 而我们的舌头则是长在的后端。

You can have a retroflex R where your tongue essentially curls upside down under your palatal arch.

你可以发一个卷舌 R ，发个音的时候你的舌头实际上是在你的弓弯曲的。

This is when the tongue does go up and touches the upper palate, but the sound lacks this tension and muscle.

是舌头向上接触上的时候，但是发出的声音缺少种张力和肌肉。

Look at that pair of saws it has for jaws.

看看它锯一般的上。

The horse has six sharp cutting teeth in the front of each jaw.

马的上, 有六颗锋利的门齿。

Female worker ants with huge jaws are specialist at hauling away the largest grain kernels.

雌性工蚁有巨大的上是拖动大粒谷仁的个中高手。

The dog has two long teeth in each jaw for seizing his prey.

狗的上有两颗长长的牙齿, 用来咬住猎物。

There are no teeth in its upper jaw opposite these, but there is a hard pad instead.

上的上部分没有牙齿，只有一个坚硬的齿垫。

Harry threw his whole weight behind the sword and drove it to the hilt into the roof of the serpent's mouth.

哈利把全身的力气都运到了银剑上，猛地将它深深扎入蛇怪的上，深得直没到剑柄。

At the back of its mouth the sheep has six teeth with flat tops on each side of each jaw. These are called grinders.

绵羊嘴的后，上和的两边，有六颗牙齿，牙齿的顶端是平的，叫磨牙或者臼齿。

In its upper jaw it has two long hollow teeth or fangs, each of which is joined to a poison-bag in the roof of the mouth.

极北蝰的上有两颗又长又尖的牙， 也就是“毒牙”， 毒牙是中空的， 连接着上里的毒囊。

The side of each leaf looks a little like the jaw of a lion, and our name dandelion comes from the French name of this plant, which means " lion's tooth. "

从侧来看, 每一片叶子都好像狮子的, 蒲公英的名字正是从种植物的法语名称而来, 意思就是“狮子的牙齿”。

Grass-eating animals like the cow can move their jaws sideways as well as up and down, in order to grind their food well; but flesh-eating animals like the dog can only move their jaws up and down.

牛一类的食草动物, 上除了上活动, 还可以横向活动, 样可以把食物磨得很碎；但是, 食肉动物的上, 只能上活动。