Photooxidative
a. photooxidation的变形\\nn. [美国英语][化学]光氧化（作用）; 感光氧化作用
🗣️ 情景例句
Then an adult must sign for you.
那就必须有一位成年人来替你签字。
She sent me a Christmas card last year.
去年寄过一张圣诞卡。
I joined in the march and we were marching peacefully along and then the police came up.
我参加了游行，我们以和平的方式往前行进，这时警察突然来了。