Photochemical degradation
[化] 光化降解
🧩 词语组成解析
photochemical
[ˌfoʊtoʊˈkemɪkl]
adj. 光化学的;
🗣️ 情景例句
I was quite surprised when I read in your letter that you had decided not to finish your studies at the university.
当我在你的信中看到你已决定终止大学学业时感到很是惊讶。
Who is he?
他是谁？
I had an amusing experience last year.
去年我有过一次有趣的经历。