Polycondensate
缩聚物
🗣️ 情景例句
Here's $ 100 for my ticket.
这是我的100美元。
I'm from out of town.
我从城外面来。
There was danger that the wave would rebound off the other side of the bank and send the dish plunging into the water again.
但是当波浪从河对岸折回来时，就有再次把盘子拖进水里的危险。