为了这些绵羊!
They have camels, sheep and other animals. These animals depend on the desert plants for their food and do not need much water.
他们有骆驼、绵羊和其他动物。这些动物以沙漠植物为食,不需要太多的水。
Look at any of their skulls and it's easy to understand why scientists always surmised a singular, high-impact use for these appendages – headbutting, big-horn sheep style.
随便拿出任何一具这类恐龙的头骨化石,人们便不难理解为什么科学家们总是推想这就是一个用来冲撞的附件,好比大角羊那种风格的用头互抵。
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