Photonitrosation
光亚硝化(作用)
🗣️ 情景例句
I sold your father that house seventeen years ago.
十七年前我把那栋房子卖给你父亲的。
How long have you lived here?
你住在这里多久了？
Our village is in a valley.
我们的村庄坐落在一个山谷之中。