Polycondensate
缩聚物
🗣️ 情景例句
What floor is the shoe department on?
鞋部在几层？
This dress doesn't fit me anymore.
这件衣服不适合我。
That's the doorbell, said Ann's mother. They're here!
“门铃响了，”安的母亲说。“他们来啦！”