chemical degradation

例句：

1. 1.The process of chemical degradation is a complex one that requires careful monitoring.
   化学降解过程是一个复杂的过程，需要仔细监控。
2. 2.The chemical degradation of plastic waste has become an environmental concern.
   塑料废物的化学降解已成为环境问题。
3. 3.The study of chemical degradation has led to the development of new materials with improved properties.
   化学降解研究导致了新材料的开发，这些材料具有更好的性能。