22 篇文章
A moulin - a shaft in the ice opened by melt water as it plunges into the depths of the glacier.
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A moulin - a shaft in the ice opened by melt water as it plunges into the depths of the glacier. 冰川瓯穴——由冰融水凿成的 直达冰川深处的圆筒状竖井

It starts to melt the sea ice.
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It starts to melt the sea ice. 海面的冰层开始融化