Polymethyl
methacrylate [化]聚甲基丙烯酸甲酯
🗣️ 情景例句
What's your position in the company?
你在公司任何职务？
Can you do it?
你行不行啊？
To their surprise, the precious parcel was full of stones and sand!
令他们吃惊的是，那珍贵的包裹里面装的全是石头和沙子！