erosion

noun

/ɪˈrəʊʒn/

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[uncountable] the process by which the surface of something is gradually destroyed through the action of wind, rain, etc.侵蚀：通过风，雨等的作用逐渐破坏物体表面的过程。
- the erosion of the coastline by the sea海水对海岸线的侵蚀
- soil erosion水土流失
Topics Geographyb2
[uncountable, countable, usually singular] the process of gradually destroying something or making it weaker over a period of time侵蚀：在一段时间内逐渐破坏某物或使其变弱的过程
- the erosion of her confidence她信心的削弱
- Many see these security measures as an erosion of civil liberties. 许多人认为这些安全措施是对公民自由的侵蚀。