Given how evolution proceeds, birds should have the same fingers as their dino ancestors, but that's not what some researchers have found.
作为进化的结果，鸟类应该拥有和它们恐龙祖先一样的趾，但是一些研究人员得到的结果并非这样。
Given how evolution proceeds, birds should have the same fingers as their dino ancestors, but that's not what some researchers have found.
作为进化的结果，鸟类应该拥有和它们恐龙祖先一样的趾，但是一些研究人员得到的结果并非这样。
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