Polymethyl
methacrylate [化]聚甲基丙烯酸甲酯
🗣️ 情景例句
She exchanged a few words with the foreigner.
她和那个外国人交谈了几句。
Don't bother.
不用麻烦了。
We have a showroom in this city.
我们在本市设有一个展示中心。