Polymethyl
methacrylate [化]聚甲基丙烯酸甲酯
🗣️ 情景例句
Your birthday is tomorrow, isn't it?
你明天生日 ，是吗？
It is an equal failing to trust everybody, and to trust nobody.
信任一切与不信任任何人，同样是弱点。
He always talks big.
他总是吹牛。