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
I was here too, but I didn't get to know you. I'm John.
我也出席了，但没有机会结识你。我叫约翰。
Many a true word is spoken in jest.
戏言寓真理。
and who drew his conclusions fearlessly.
并大胆地得出自己的结论。