Polyacrylonitrile
n. [化]聚丙烯腈
🗣️ 情景例句
I wish I could go there with you, Grandpa.
我真希望我能够跟你一起去， 爷爷。
I appreciate your invitation.
感谢你的邀请。
The students walked through the gates with Uncle Wang.
学生们跟随王大叔走进大门。