n.腐蝕；侵蝕；減少，流失

Therefore, the corrosion was caused by erosion of rainwater during ocean shipping. 因此，這些腐蝕是海運(yùn)途中雨水的浸蝕造成的。

The cement petrified after many years' erosion. 經(jīng)過多年的侵蝕，水泥石化了。

The erosion of the soil is damaging the forest. 土壤侵蝕使得森林遭到了破壞。

Deposition is the counterpart of erosion. 淤積是侵蝕的對(duì)應(yīng)面。

The rock is resistant to weathering and erosion. 這種巖石不易風(fēng)化和侵蝕。

erosion的基本意思是指某物受酸、雨、風(fēng)等“腐蝕,侵蝕,磨損”,用作比喻可指“威信日漸掃地”“勢(shì)力日漸削弱”。