用英语介绍河马

Hippopotamus amphibius: it is an omnivorous freshwater species of Mammalia, whale Artiodactyla and hippopotamaridae.

It is huge, 2-5 meters long, including a tail about 35 cm long; Shoulder height 1.5m; Weight 1300-3200 kg.

The body is thick and round, the limbs are short, the feet have 4 toes, the head is huge.

What matters most is that they are human beings' friends.We are the parts of nature.