Periston
聚乙烯基吡咯烷酮
🗣️ 情景例句
We were all sorry when we heard that your brother had had an accident.
我对你弟弟的意外感到遗憾。
What lives in there?
那里面生存着什么呀？
Excuse me, are you from England?
对不起，问一下，你是英国人吗？