全部

1·The shark has sharp teeth.

鲨鱼有锐利的牙齿。

2·They use their sharp teeth to force poison into the insects they catch for food.

它们用锋利的牙齿将毒液注入被捕食的昆虫体内。

3·Human beings needed to use tools because they did not have sharp teeth like other meat-eating animals, such as lions and tigers.

人类需要使用工具，因为他们没有像其他食肉动物如狮子和老虎那样锋利的牙齿。

4·These meat-eating fish have sharp teeth.

这些食肉鱼类牙齿锋利。

5·Who am I? I have many sharp teeth.

我是谁？我有许多锋利的牙齿。

6·Look, all my sharp teeth are gone.

看，我所有锋利的牙齿都消失了。

7·That act like sharp teeth.

这如同尖锐的牙齿。

8·I have sharp teeth that make me special.

我有锐利的牙齿，让我特别。

9·This is a shark. The shark has sharp teeth.

这是一条鲨鱼，鲨鱼有锐利的牙 齿。

10·The beaver USES its large sharp teeth gnaw it.

河狸用它那尖锐的牙齿咬树皮。