Polymethylmethacrylate
聚甲基丙烯酸甲酯, 有机玻璃
🗣️ 情景例句
Sorry, I couldn't help overhearing, did you mention something about...
对不起，我无意中听到你们的谈话，你们是不是提到...
He that travels far knows much.
见多识广。
Tomorrow he will be watching her anxiously as she swims the long distance to England.
明天他将焦急地注视着女儿游过这段漫长的距离到达英国。