Copolyamide
[化] 共聚多酰胺; 共聚聚酰胺
🗣️ 情景例句
I lift weights every morning for sixty minutes without stopping.
每天早晨我举重六十分钟，中间还不是没有休息。
The flood has left many people homeless.
许多人因洪水而失去了家园。
Traffic police are sometimes very polite.
交通警有时也很客气。