Shark

鯊魚

There are more than 400 kinds of sharks all over the world.

全世界有400多種鯊魚。

Because sharks eat large fish, they are the top of the food chain in the sea.

因為鯊魚捕食大魚，所以它們處于海中食物鏈的頂端。

Sharks vary in size.

鯊魚的大小各異。

The smallest sharks are 8 inches and the biggest sharks are 60 feet.

最小的鯊魚長8英寸（約20厘米），而最大的鯊魚有60英尺（約18米）長。

Some sharks attack humans.

有的鯊魚會攻擊人類。

These types are usually great white sharks, tiger sharks and bull sharks.

它們通常是大白鯊，虎鯊和牛鯊。