Bipolymer
二(元共)聚物
🗣️ 情景例句
This is a good deal: buy 1, get 1 free.
这可是个好买卖：买一送一。
I have too much work to do to take time off for fun and games.
我工作多得没有游戏玩乐的时间。
But don't forget your things early in the morning.
早上别忘了带上你的东西。