degradation

释义

n. 降格, 堕落, 退化\n[计] 降级 environmental degradation 环境退化；环境质量下降 degradation mechanism 老化机构；降解机制 thermal degradation [化]热降解

例句

...air pollution, traffic congestion, and the steady degradation of our quality of life.

…空气污染、交通阻塞以及我们生活质量的持续恶化。