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
That's very well.
非常满意！
I haven't nothing to declare.
我没有要申报的东西。
I do want to see him now.
我现在确实很想去见他。