Polymethylmethacrylate
聚甲基丙烯酸甲酯, 有机玻璃
🗣️ 情景例句
Come on, Richard.
过来， Richard。
It is up to you to carry out the plan.
由你实行那个计划。
I said I would be at your house at six o'clock, but the boss want me to do some extra work.
我说过我6点到你家，但老板要我加班。