Polymethylmethacrylate
聚甲基丙烯酸甲酯, 有机玻璃
🗣️ 情景例句
Dr. Philip Stewart, in Riverdale.
Philip Stewart大夫 ，在Riverdale 。
All products have to pass strict inspection before they go out.
所有产品出厂前必须要经过严格检查。
Our village is in a valley.
我们的村庄坐落在一个山谷之中。