Copolyamide
[化] 共聚多酰胺; 共聚聚酰胺
🗣️ 情景例句
When he came to the States five years ago, he had only forty dollars in his pocket.
五年前他来美国时，口袋里只有40美元。
Old wood is best to burn, old book to read.
老柴好烧，老书宜读。
Oh, yes, I bought one, but I can't find it now.
噢，是，我买了票的，但现在找不见了！