photo-oxidative degradation

例句：

1. 1. Photo-oxidative degradation is a major concern in the field of environmental science.
   光氧化降解是环境科学领域的主要关注点。
2. 2.The process of photo-oxidative degradation has been studied extensively in recent years.
   近年来，光氧化降解过程的研究已经非常广泛。
3. 3.The photo-oxidative degradation of organic pollutants in water bodies is a significant environmental issue.
   水体中有机污染物的光氧化降解是一个重大的环境问题。