原角龙属(Protoceratops) 关键字: 角龙亚目 原角龙 原角龙(Protoceratops)是生活在东亚地区的一类原始的角龙，个体较小，主要取食植物的嫩枝叶及多汁的根...
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The Protoceratops had a frill on its head.
原角龙的头上有一个褶边。
The Protoceratops had a frill on its head. Males had a bigger frill than females.
龙 的头上长着个褶边一样的装饰，雄性的比雌性的大些。
The Protoceratops was a vegetable-eating dinosaur about the size of a sheep that experts believe lived in herds during the Cretaceous Period.
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。
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