Spiropolymer
[化] 螺旋聚合物
🗣️ 情景例句
I know.
我知道。
You were late again this morning. I think you had better start being on time.
你早晨又迟到了，我想你最好开始守时。[托福]
So there were many people in the doctor's waiting room.
所以医生的候诊室里有很多人。