这是一种兽脚亚目肉食恐龙。

The type of dinosaur that was found is known as a theropod.

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这是仅有的几种无色的裸腮亚目动物之一。

This species is one of the few colorless nudibranchs.

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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.

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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.

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