Polymenrization
聚合; 聚合
🗣️ 情景例句
Until today, I was never really interested in medicine.
直到今天 ，我才对医学真正感兴趣。
What a beautiful sweater!
多漂亮的毛衣！
The line's busy. I'll try again later.
电话占线，过一会我再打。