degradation of ecology and environment的用法和樣例：
例句
- At present, regional poverty and ecological degradation form a vicious circle.
目前，區域貧困和生態(tài)環(huán)境退化已形成了惡性循環(huán)。 - By taking Pengyang County, Ningxia Hui Autonomous Region, as an example, reasons for ecological degradation are analyzed.
摘要分析了彭陽(yáng)縣生態(tài)環(huán)境退化的原因。
