Polymerization
高中 Senior Highn. 聚合\\n[化] 叠合反应; 聚合; 聚合反应
🗣️ 情景例句
It's a piece of cake.
这是小菜一碟。
Did you go to the store yesterday?
你昨天去商店了吗？
I am very impressed with her English. It was good.
我对她讲的英语印象很深。很流利。