Polyamides
[化] 聚酰胺; 尼龙
🗣️ 情景例句
I see. What time will she come back?
哦，那她几点会回来？
I can't believe it.
我不相信。
It took a very long time to carve a page for a book.
刻一页书要花费的时间太长。