Dipolymerization
[化] 二元共聚; 二元共聚作用
🗣️ 情景例句
I believe my English fluency is quite good.
我认为自己的英语相当的流利。
It is not good to wake a sleeping lion.
睡狮莫惊。
Ken gave up smoking two years ago. He'd been smoking for thirty years.
两年前肯戒了烟，之前他抽了三十年烟。