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Plateaus Hold Ancient Landscapes and Modern Farms
高原保存古老地貌并支撑现代农业
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Plateaus are flat, high areas raised above surrounding land.高原是高于周围地区的平坦高地。
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Some plateaus formed millions of years ago from volcanic rock.一些高原由数百万年前的火山岩形成。
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Wind and rain slowly carve canyons into plateau edges.风和雨水缓慢侵蚀高原边缘，形成峡谷。
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Farmers grow wheat and raise sheep on wide plateau grasslands.农民在广阔的高原草地上种植小麦、放牧绵羊。
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High plateaus like Tibet affect regional weather patterns.青藏高原等高海拔高原影响区域天气模式。
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Few trees grow there, but hardy grasses cover large spaces.那里树木稀少，但耐寒的草类覆盖大片区域。
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Plateaus stretch across continents from South America to Asia.高原横跨南美洲至亚洲的各大洲。
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Their height and flatness make them unique geographic zones.其高海拔和平坦地形使其成为独特的地理区域。