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.
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.
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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