地理漫步·世界地理英语30篇（7）
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Glaciers Move Slowly But Change Land
冰川缓慢移动却改变地貌
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Glaciers are huge rivers of ice and snow.冰川是巨大的冰与雪的河流。
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They move slowly under their own weight.它们在自身重力作用下缓慢移动。
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As they slide, they scrape and carve valleys.滑动时，它们刮擦并雕琢出山谷。
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Glaciers leave behind lakes, rocks, and moraines.冰川留下湖泊、岩石和冰碛。
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Most glaciers are in Antarctica and Greenland.大多数冰川位于南极洲和格陵兰岛。
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Warmer air makes glaciers melt faster now.气温升高使冰川如今融化得更快。
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Meltwater feeds rivers for millions of people.融水为数百万人提供河流水源。
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Scientists watch glaciers to learn about climate.科学家通过观测冰川来了解气候。