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
Well? Does that mean you'll marry me?
噢？你的意思是你答应嫁给我了？
What time do you think it is?
你以为现在几点？
She understood what I was talking about, even though it was the first time we had spoken together.
她理解我的话，虽然我们是第一次在一起说话。