Poly(methyl methacrylate)
[化] 聚甲基丙烯酸甲酯
🗣️ 情景例句
Well, I'm involved with an organization,
嗯 ，我参加一个组织
Congratulations on your having a baby.
我恭喜你生了个宝宝。
Excuse me!
打扰一下。