当北美许多地区积雪消融的时候，它们的大脚掌也许会伤害到那些黄鼠狼家族中最大的成员。

Their big feet might be hurting the largest member of the weasel family as snowpack declines across much of North America.

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很明显，在第四纪，冰层已经历过生长和消融的多个阶段。

It's evident that the ice sheets have gone through multiple stages of growth and retreat over the course of the Quaternary.

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他说：“人类保护全球冰川，或者说保护自己的速度赶不上冰川消融的速度。”

"The world's glaciers are now melting faster than human progress to protect them - or us," he said.

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