Polymethyl
methacrylate [化]聚甲基丙烯酸甲酯
🗣️ 情景例句
His books exposed people to new ideas.
他的书使人们接触了新思潮。
Did you go to the church this morning?
你今早去教堂了吗？
It makes no difference that the forgery may have been a very skilful one:
即使伪造得很巧妙，也不能付款，