精彩开头
1.The Siberian crane is also known as the snow crane.
西伯利亚鹤也以雪鹤著称。
2.It is about 140 cm in height, generally shorter than the redcrowned crane.
它身高约140厘米，一般比丹顶鹤矮。
丰满主体
1.Many trees are being cut down and more and more forests are lost，making animals lose their homes to live in.
许多树木被砍伐，越来越多的森林消失，使得动物失去了居住的家园。
2.Many fields are being turned into desert，which makes the animals living there have no place to find food to eat.
许多土地正在变成沙漠，这使得生活在那里的动物没有地方找食物吃。
3.Many animals are being killed so that some of them are in danger of dying out.
许多动物正在被猎杀，导致有些动物濒临灭绝。
