这件羽毛被全由天然原料制作。
鸟- - - - -一种动物长有翅膀并且浑身被羽毛覆盖，而且会飞。
"Bird" — a creature with wings and feathers that can usually fly.
这种结构最终被证实是极其原始的羽毛——且存在于陆生的兽脚亚目恐龙身上。
At last there was evidence of truly primitive feathers—found on a ground-running theropod.
一些鸟儿注定不能被关在牢笼里，它们的每一片羽毛都闪耀着光辉。
Some birds are not meant to be caged, their feathers are just too bright.
一些鸟儿注定不能被关在牢笼里，它们的每一片羽毛都闪耀着光辉。
Some birds are not meant to be caged, their feathers are just too bright.
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