Polybutyrolactam
[化] 聚丁内酰胺; 尼龙-4
🗣️ 情景例句
Hello, who's speaking, please?
喂， 谁在讲话？
I think you'll make it if we don't get stuck in a traffic jam.
我想，如果我们不碰上交通阻塞，你是可以赶到的。
It's like this.
是这样的。