Dipolymer
[化] 二元共聚物
🗣️ 情景例句
We were all sorry when we heard that your brother had had an accident.
我对你弟弟的意外感到遗憾。
The doctor advised me to stay indoors more.
医生劝我要多待在屋子里。
We'd like a chance to bid on this business.
我们希望能有机会投标这笔生意。