降格

例句：

1. 1.The company's reputation has been degraded by its poor practices.
   该公司的声誉因不良做法而受损。
2. 2. The qualityof the product has degraded overtime.
   产品的质量随时间下降。
3. 3. The economyis degrading as a result ofthe government's policies.
   由于政府的政策，经济正在恶化。