Polymethyl
methacrylate [化]聚甲基丙烯酸甲酯
🗣️ 情景例句
You know, the goods were inspected by the Commodities Inspection Office before shipment.
你知道，这批货物在装船前是经过商品检验局检验的。
Is this Empire 5-4093?
这是Empire5-4093吗？
Yes, it's very nice. What's the time, please?
挺漂亮的，现在几点了？