Polymerisation
n. 聚合作用, 聚合；聚合反应
🗣️ 情景例句
Helen has told me all about you.
海伦对我将了好多你的事儿。
My brother came in,changed his clothes,and went out again.
我的兄弟进来了，换掉了他的衣服，并再去外面了。
He's upstairs.He's having a bath.
他在楼上。他正在洗澡。