Polycaprolactam
聚已内酰胺, 尼龙-6
🗣️ 情景例句
Why do you always tell me at the last minute? Think of my position too.
为什么你总是到最后关头才告诉我？你也替我想想啊！
My grandma is 40 years older than me.
我祖母比我大40岁。
This is because the surface of the earth is not flat but round.
因为地球表面不是平的，而是圆的。