Photodimerization
光二聚
🗣️ 情景例句
for a new member of the Stewart family.
给Stewart家的新成员了。
What's your nationality?Are you a French?
你的国籍是什么？你是法国人？
or make some spiteful remark about the friends' parents.
或者讲些小朋友家长的坏话。