原角龙是一种食草恐龙，体型和绵阳差不多大小。专家们都认为他们曾在白垩纪时期过着群居的生活。

The Protoceratops was a vegetable-eating dinosaur about the size of a sheep that experts believe lived in herds during the Cretaceous Period.

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原角龙是一种食草恐龙，体型和绵阳差不多大小。专家们都认为他们曾在白垩纪时期过着群居的生活。

The Protoceratops was a vegetable-eating dinosaur about the size of a sheep that experts believe lived in herds during the Cretaceous Period.

youdao