1．丹顶鹤是非常漂亮的动物，大概1．2米高。2．白色羽毛，红色的冠，细长的脖子和腿。3．喜欢群居，吃鱼、昆虫和水生植物。4．但水污染严重，将没有食物吃，没有地方生存。5．必须采取措施保护这些稀罕动物。I’d like to introduce something about red-crowned cranes to you. They are very beautiful animals. They are about 1.2 meters tall. They have white feathers and red crowns. Their necks and legs are long and thin. They like...
