Polyaddition
加(成)聚(合)作用
🔁 扩展释义
【化】 聚加成反应; 逐步加成聚合
🗣️ 情景例句
Yes, I hope so. I'll be looking forward to it.
但愿如此。我盼望这一天早日到来。
We had a good time.
我们过得很愉快。
Look at those people in the boats.
瞧船里的那些人！