Prepolymer
[化] 预聚物
🗣️ 情景例句
Well, how was everybody's day today?
喂 ，今天各位过得怎么样？
Many new ideas are discovered during college years.
大部分崭新的观念都产生于大学时代。
She started to run to the boat.
她拔腿就往小船跑去。