Polychlorostyrene
聚氯苯乙烯
🗣️ 情景例句
Sure. Would you please sign your name on the back, sir, with your passport number?
每问题。先生，请您在支票背后签上名字和护照号码。
What is happening up there?
上面发生什么事情？
Yes, I think we do. Lucy, we need some more tea. Can you get some, please?
我想我们还要些茶。露西，我们还要些茶。请你去沏些茶，行吗？