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
Robbie just went to the store.
Robbie刚去商店。
Talk about it tomorrow.
明天在说吧！
He waited until the volcano became quiet and he was able to return two days later.
他等到火山平静下来，两天以后又返回去。