Polymethacrylonitrile
[化] 聚甲基丙烯腈
🗣️ 情景例句
I've been thinking about it for weeks now.
为这事我想了几个星期。
All is not gold that glitters.
闪光的东西并不都是黄金。
Maybe he could help James. So they took the boy to visit him.
也许他能给詹姆斯治病。于是他们带着詹姆斯去找他。