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
We'll call on him in any case.
无论如何，我们都要去拜访他。
A sow, when washed; returns to the muck.
江山易改，本性难移。
'I've just arrived by train,' she said.'I'm coming to see you.
“我刚下火车，”她说，“我这就来看你。