20 篇文章
Without their roots to bind the soil together...
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Without their roots to bind the soil together... 没有了根来固定土壤

and produce the first ever soil...
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and produce the first ever soil... 产生了史上第一块土壤

That releases its carbon into the soil rather than the air.
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That releases its carbon into the soil rather than the air. 将释放出的碳排入地下而非天空

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

Thin and fragile, soil is made by living matter.
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Thin and fragile, soil is made by living matter. 土壤由生命物质构成 单薄而脆弱

Stripped bare, the soil no longer absorbs the rainwater.
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Stripped bare, the soil no longer absorbs the rainwater. 坦露在外的土壤无法吸收雨水

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

Water, air, soil, trees.
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Water, air, soil, trees. 水 空气 土壤 植被

Soil, plants, animals, rivers and oceans.
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Soil, plants, animals, rivers and oceans. 土壤 植物 动物 河流和海洋

Half of humankind tills the soil,
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Half of humankind tills the soil, 半数的人类耕种土地