急求一篇英语作文,关于介绍蓝鲸的,60个词左右.

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1、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.
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The blue whale is the largest mammal,possibly the largest animal,to ever inhabit the earth.Its body is long,somewhat tapered,and streamlined,with the head making up less than one-fourth of its total body length.Its rostrum (upper part of the head) is very broad and flat and almost U-shaped,with a single ridge that extends just forward of the blowholes to the tip of the snout.Its blowholes are contained in a large,raised "splash guard",and the blow is tall and straight and over 20 feet (6 meters) high.Its body is smooth and relatively free of parasites,but a few barnacles attach themselves to the edge of the fluke and occasionally to the tips of the flippers and to the dorsal fin.There are 55-68 ventral grooves or pleats extending from the lower jaw to near the navel.