erosion

6 篇文章
Tidal waves and erosion by the sea.
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Tidal waves and erosion by the sea. 和潮汐的侵袭以及海水的腐蚀

erosion tidal waves sea
They then had to face widespread soil erosion.
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They then had to face widespread soil erosion. 导致大量水土流失

erosion widespread had soil then face they to
With erosion, the fine layer of humus,
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With erosion, the fine layer of humus, 数千年形成的腐殖质图层

erosion humus layer fine with of the
In some parts of madagascar, the erosion is spectacular.
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In some parts of madagascar, the erosion is spectacular. 马达加斯加某地 侵蚀尤为显著

erosion madagascar spectacular parts some is of in the
Erosion impoverishes the quality of the soils,
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Erosion impoverishes the quality of the soils, 将土地侵蚀得更为贫瘠

impoverishes erosion quality soils of the
And protects the soil from erosion.
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And protects the soil from erosion. 并保护泥土免于流失

erosion protects soil from the and
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