Polycaprolactam
聚已内酰胺, 尼龙-6
🗣️ 情景例句
Did you sleep soundly last night.
你昨晚睡得好吗？
I haven't the slightest idea what you're talking about.
我一点也不知道你在说些什么。
Are there any other other people on the island?
岛上有人（居住）吗？