The koala is a sluggish, tailless, furry arboreal marsupial.

考拉是一种行动迟缓、无尾、有皮毛、活于树上有袋目哺乳动物。

Humanity has been uncovering these arboreal benefits for centuries.

几个世纪以来，人类一直都在不断发现这些树木好处。

Whether the first birds evolved from arboreal or terrestrial ancestors is a matter of lively debate among palaeontologists.

关于第一只鸟是从树栖还是祖先进化而来，一直是古物家激烈争论话题。

Given that humanity's arboreal simian ancestors would presumably have had little need to run, it is probably the latter.

鉴于人类祖先—类人猿是树栖动物，据推测它们很少有奔跑需要，因此正确结论很可能是后者。

Once hunted for its fur, this arboreal leaf-eater is today protected by stringent laws and is making a slow but steady comeback.

这种以树为家吃叶族曾因其毛皮而遭猎捕，如今因受到严格法令保护，其数量成长正慢慢地回稳。

Only when these hominids had to travel between arboreal habitats would they find themselves walking bipedally, 'forced' to do so by their own anatomies.

“只有当这些人科动物在两棵树上栖息地之间来回穿梭时，他们才不得不用两足来行走。由于他们骨骼结构特点，他们是‘被迫’这么做。”

The video helped " koaloberate" the story after a patient " marsupapeal" the animal migrated to its " arboreal" home and makes for a " kolaraaful" conclusion to CNN 10.

耐心" 有袋动物" 动物迁移到它" 树栖" 家园，视频帮助合作故事后，并为CNN 10做出了丰富多彩结论。