Soil erosion was mitigated by the planting of trees.

植树造林减轻了土壤侵蚀。

We enjoy the comfort and beauty of our furniture, yet we never bother to think about the serious soil erosion caused by deforestation.

我们享受我们家具的美丽与舒适，但我们从来就不愿去想一想由于采伐树林而引起的严重的土壤侵蚀问题。

The trees reduce water runoff and soil erosion.

这种树可以减少水分流失和土壤侵蚀。

And some of this extra land is offset by soil erosion.

部分额外土地被土壤侵蚀消耗着。

The hazards of sandstorm and soil erosion are serious.

风沙危害和水土流失严重。