Sharks

Sharks. Written by Kira Fried. Illustrated by Cindy Hill.

《鲨鱼》。作者：基拉·弗里德。绘者：辛迪·希尔。

Introduction Sharks have lived in the oceans since before dinosaurs walked on earth. There are more than 350 kinds of sharks and they can be found all over the world.

引言 鲨鱼在海洋中生存的历史，远早于恐龙在地球上行走的时间。 全世界共有350多种鲨鱼，分布在全球各个海域。

Sharks are fish, but their skeletons are made of cartilage instead of bones. Cartilage is what gives human ears their shape. Unlike most fish, sharks have rough skin.

鲨鱼属于鱼类，但它们的骨骼由软骨而非硬骨构成。 人类耳朵的形状就是靠软骨来支撑的哦。 和大多数鱼类不同，鲨鱼的皮肤十分粗糙。

Sharks have a very good sense of smell. They also see well in poor light. Sharks can sense when hurt animals are moving in the water.

鲨鱼的嗅觉非常灵敏。 它们在昏暗的光线下视力也很好。 鲨鱼能感知到受伤的动物在水中的动静。

Description Sharks come in many sizes. Some sharks are only a few inches long. The whale shark is the largest fish in the world. Sharks have pointed noses and long, thin bodies that let them swim very fast.

外形说明 鲨鱼的体型大小各不相同。 有些鲨鱼身长只有几英寸。 鲸鲨是世界上体型最大的鱼类。 鲨鱼长着尖尖的鼻子和修长的身体，能游得非常快。

Many sharks are dark on the top and light on the bottom. This color pattern makes it harder for other animals to see them.

很多鲨鱼背部颜色深，腹部颜色浅。 这种配色模式让其他动物更难发现它们的身影。