Polycondensate
缩聚物
🗣️ 情景例句
It's not good enough to show.
还不值得展示。
How long will it take to have this radio fixed?
修理这收音机要多久？
I'd love to. What kind of football, American or soccer?
我很乐意去！什么样的足球赛，美式的还是英式的？