Pmma
[化] 聚甲基丙烯酸甲酯
🗣️ 情景例句
They had no way to communicate directly with Kurt.
他们无法和库尔特直接联系。
Mr. Smith, would you like to start things off?
史密斯先生，你要开始做事了吗？
I hid in a farmer's cart which was taking vegetables into the castle.
我藏在一个农民的车子里，车子正往城里送菜。