Like brown bears and polar bears, sloth bears may have evolved in an environment with few trees.
和棕熊和北极熊一样，树懒熊可能是在树木稀少的环境中进化而来的。
You know there are times when we are really inspired to work, where other times we'll feel like a total sloth.
你知道有些时候我们真的很想工作，而有些时候我们会觉得自己像个十足的懒人。
There are also gentle animals, like the sloth and the pink dolphin.
也有温和的动物，比如树懒和粉红海豚。
It was miles off, visible only through binoculars: leggy in an ice mirage, loping, sloth-like, mythically remote.
北极熊在一英里以外，只有用望远镜才能看到，它在冰雾中懒散地行走，像神话那样遥远。
It was miles off, visible only through binoculars: leggy in an ice mirage, loping, sloth-like, mythically remote.
北极熊在一英里以外，只有用望远镜才能看到，它在冰雾中懒散地行走，像神话那样遥远。
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