地理漫步·世界地理英语30篇（5）
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Plateaus Rise Flat-Topped Above Surrounding Land
高原平坦顶面高耸于周边土地之上
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Plateaus form when large land areas lift up without folding.高原形成于大片陆地抬升而未发生褶皱。
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Their flat tops contrast sharply with steep, eroded sides.其平坦的顶部与陡峭、受侵蚀的侧面形成鲜明对比。
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Lava flows or sediment deposits often create these elevated surfaces.熔岩流或沉积物堆积常造就这些抬升的地表。
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The Tibetan Plateau sits highest, shaped by tectonic collision.青藏高原海拔最高，由板块碰撞塑造而成。
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Rivers carve canyons down plateau edges, exposing deep rock.河流在高原边缘切割出峡谷，暴露出深层岩石。
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High plateaus have cooler air and thinner oxygen than lowlands.高海拔高原的空气更冷，氧气比低地稀薄。
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Grasslands and hardy shrubs cover many dry, sunlit plateau surfaces.许多干燥、阳光充足的高原表面覆盖着草原和耐寒灌木。
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Wind and rain slowly wear plateaus down over geologic time.风和雨水在漫长的地质时期中缓慢侵蚀高原。