degeneration
/dɪˌdʒenəˈreɪʃn/📚 17072 41六级the state or process of being or becoming degenerate; decline or deterioration. "overgrazing has caused serious degeneration of grassland"
noun [抽象名词]恶化,衰退,堕落;变性
Intensive farming in the area has caused severe degeneration of the land.
这个地区的集约化农业使得土壤严重贫瘠化。
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