Polymethyl
methacrylate [化]聚甲基丙烯酸甲酯
🗣️ 情景例句
I have a suggestion for you ...
我有一个建议……
Excuse me, would you give me a hand?
对不起，你能帮我个忙吗？
That's a good idea! Why not? Let's go.
好主意！为什么不呢？我们走吧。