Polybutyrolactam
[化] 聚丁内酰胺; 尼龙-4
🗣️ 情景例句
What do you often eat for supper?
你晚饭通常吃什么？
Not really, I'm afraid. We were delayed taking off, and we encountered a lot of bad weather.
不太好，我们起飞延误了，还遭遇了恶劣的气候。
That's disgusting.
真讨厌。