erosion
n. 侵蚀，腐蚀；削弱，降低；糜烂，溃疡
例句
Soil erosion was mitigated by the planting of trees.
植树造林减轻了土壤侵蚀。
《牛津词典》
More familiar landscapes have been sculpted by surface erosion.
更多熟悉的地形是由地表侵蚀形成的。
《柯林斯英汉双解大词典》
We'll never be able to stop beach erosion, we can only stave it off.
我们永远都不能阻止海滩被侵蚀，我们只能暂缓其发生。
