Photodegraded
（使）光致分解，（使）光降解
??? 情景例句
I know, Sam.
我知道，Sam。
I wonder if it will be too long.
我不知道它是不是會太長。
I was able to tell him that he had pulled out the wrong tooth.
我總算有可能告訴他，他拔錯了牙。