Polycaprolactam
聚已内酰胺, 尼龙-6
🗣️ 情景例句
Oh, well, really ...
噢 哦 真的……
It's time for dinner.
该吃晚饭了。
A navy ship was in a port in Scotland for repairs.
一艘军舰停靠在苏格兰的一个码头等待维修。