求学霸给一篇关于介绍鲸的作文，不用太长-_-!

The blue whale is the largest animal ever to inhabit the Earth.Blue whales are found throughout the world's oceans. These gentle giants have grayish-blue skin with light spots. Measuring 70 to 80 feet in length, blue whales can weigh as much as 90 to 150 tons, although females are larger than the males.