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
What was that?
你说什么？
I don't think it's four o'clock yet.
我认为现在还不到四点。
Scientists discovered that this particular variety of rabbit (and apparently no other animal)
科学家们发现，这种特殊品种的兔子（显然不包括别的动物）