Polycaprolactam
聚已内酰胺, 尼龙-6
🗣️ 情景例句
If you watch carefully you will see how to do it.
你若细心观察，就会知道怎么做这件事。
There are many people I'd like to thank.
我想感谢很多人。
and for several days will probably refuse all food through anger and fear.
甚至一连几天由于愤怒和恐惧而拒绝进食。