It is curious that other birds are in thick feathers to pass the long winter except Hanhao bird.

说来也奇怪，别的鸟儿在秋天就换上了一身又厚又密的羽毛，好度过漫长的寒冬；

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It is curious that other birds are in thick feathers to pass the long winter except Hanhao bird.

说来也奇怪，别的鸟儿在秋天就换上了一身又厚又密的羽毛，好度过漫长的寒冬；

youdao