Polycaprolactam
聚已内酰胺, 尼龙-6
🗣️ 情景例句
I forgot!
我忘记这招！
Don't work your employees to death.
别把你的雇员都累死。
Well, you just need lots of practice. The more you listen to English, the easier it becomes.
噢，你需要大量的练习。英语你听的越多，就越容易听懂。