地理漫步·世界地理英语30篇（9）
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Steppes Host Grazing Animals and Dry Winds
草原承载放牧动物与干燥气流
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Steppes are semi-arid grasslands with few trees and seasonal rainfall.草原是半干旱的草地，树木稀少，降水具有季节性。
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Grass roots bind soil tightly, preventing wind-driven dust storms.草根紧密固土，防止风蚀扬尘。
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Nomadic herding cultures move livestock across vast steppe distances.游牧民族在广阔的草原上迁徙放牧。
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Winter winds blow cold air from Siberia across Eurasian steppes.冬季寒风将西伯利亚冷空气吹过欧亚草原。
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Soil here is fertile but vulnerable to overgrazing and drought.这里的土壤肥沃，但易受过度放牧和干旱影响。
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Steppe vegetation stays low to conserve water and resist wind shear.草原植被低矮，以节约水分并抵御风力剪切。
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These lands link forest zones to deserts in continental climate gradients.这些土地在大陆性气候梯度中连接森林带与沙漠带。
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Modern farms use irrigation to grow wheat where rain is unreliable.现代农场通过灌溉在降雨不稳定的地区种植小麦。