Polymethyl
methacrylate [化]聚甲基丙烯酸甲酯
🗣️ 情景例句
What's going on?
怎么样了？
This is a schedule.
这是一张时间表。
The Cutty Sark was one the fastest sailing ships that has ever been built.
“卡蒂萨克”号是帆船制造史上建造的最快的一艘帆船。