Polyacrylonitrile
n. [化]聚丙烯腈
🗣️ 情景例句
The name is Wang, and the number is 363-1127.
我姓王，电话是363-1127。
I'll have studied English for four years next March.
到明年三月，我就学了四年的英语了。[将来完成时，表示将完成…，会做完…]
We're having a lot of trouble filling this order.
我们这次供货很有问题。