erosion

n. /ɪˈroʊʒn/ B2

侵蚀；冲蚀；磨损

The process of being gradually destroyed by rain, wind, or sea.

仙境例句

Rain washed the soil away, and erosion left deep furrows across the croquet ground.

雨水冲走了泥土，侵蚀在槌球场上留下了一道道深沟。