Copolyimide
共聚多酰胺
🗣️ 情景例句
I always eat three square meals a day.
我总是每天三顿饭都好好吃。
His house is in a convenient place, near the station.
他的家在车站附近，是一个方便的地方。
Sorry, I don't think so.
对不起，我不行。