英语翻译

题目

英语翻译
Whales are found in open seas throughout the world and occasionally in coastal waters,as well.Certain species migrate,while others remain yearround in the same habitats.The skin of whales is usually black,gray,tan and white.Their skin texture is smooth,but like other mammals,whales have hair at some point in their developmet.In adutls it's ustally foumd only gn the head area,and in some spdcies only in the fetus.Whales store energy in an underskin layer of fat,or blubber.the ability to store "fuel" in the form of blubber helps wiales survive during long periods of starvation.Except for having horizontal tails that move up and down,rather than side to side,whales have tie general shape of fish,though in certain species the head is greatly enlarged.Over millions of years,hind limbs remain.Whales breathe through lungs,with some large species remaiming under water for as long as two hours.(1)what dose thd text mianly tell us?(not more than 10 words)

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