Copolyimide
共聚多酰胺
🗣️ 情景例句
Yes, we'll be arriving by car about ten o'clock Friday night.
是的， 我们将于星期五晚上十点钟左右开车抵达。
May I reconfirm my flight?
我可以确认我的班机吗？
When did you last go to the seaside?
你上一次是什么时候去海滨的？