Photodimerziation
[机] 感光二聚作用
🗣️ 情景例句
What's your position?
你的职位是什么？
Tinkering is so enjoyable.
修理东西令人快乐。
Good afternoon! I've come to return your pan. Thank you very much for lending it to me.
下午好！我来还你锅。非常感谢你能把锅借给我。