The grey stripe down the middle of the glacier is called a medial moraine. It is formed when two glaciers flow into each other and join on their way downhill.
沿冰川中部而下的灰色条纹被称为中碛，它是由于两条冰河在下坡时汇合在一起而形成的。
Please put this bow in the middle of the bottom stripe.
请在底下条纹中间加上蝴蝶结。
Please put this bow in the middle of the bottom stripe.
请在底下条纹中间加上蝴蝶结。
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