degradation of ecology and environment

• 生态环境退化

degradation of ecology and environment的用法和样例：

例句

1. At present, regional poverty and ecological degradation form a vicious circle.
   目前，区域贫困和生态环境退化已形成了恶性循环。
2. By taking Pengyang County, Ningxia Hui Autonomous Region, as an example, reasons for ecological degradation are analyzed.
   摘要分析了彭阳县生态环境退化的原因。