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1·Collectively these factors probably selected against tree-climbing as a defensive strategy for sloth bear cubs.

总的来说，这些因素可能选择不爬树作为懒熊幼崽的防御策略。

2·At least Baloo (Bill Murray) is now more obviously a sloth bear, a mammal native to India, than the generic bear of the cartoon.

至少这回巴鲁熊(比尔·莫瑞配音)很明显是原产于印度的懒熊，而不是一般的卡通熊。