Polymethylmethacrylate
聚甲基丙烯酸甲酯, 有机玻璃
🗣️ 情景例句
No, I didn't.
没有。
Evil communications corrupt good manners.
交往恶劣，有损风度。
The rabbit ran to the woods and did not come back any more.
兔子跑进了森林再也没有出来了。