或者，它们是在地面奔跑的两足动物，不断进化的翅膀使它们跳动的步幅越来越远吗？
Or were they bipedal ground runners whose evolving wings allowed them to take progressively longer jumps?
在我看来，此处的问题是动物是否有悲伤的经历，甚至它们明白死亡的含义吗？
It seems to me that the question here is not do animals experience grief, so much as do they understand death?
动物玩具很大，因为它们是那么惹人怜爱和东西，你不觉得吗？
Stuffed animals are great, 'cause they're so cuddly and stuff, don't you think?
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