degradation
/ˌdegrəˈdeɪʃən/noun
mass noun
1- the condition or process of degrading or being degraded降格, 降级; 退化：
a trail of human misery and degradation.
人类痛苦和堕落的痕迹。
1.1
- Geology the wearing down of rock by disintegration【地质】陵夷, 陵削, 剥蚀。
词源
mid 16th cent. （in the sense 'deposition from an office or rank as a punishment'）： from Old French， or from ecclesiastical Latin degradatio（n-）, from the verb degradare （see DEGRADE）.