Polyfluoroacrylate
[化] 聚氟代丙烯酸酯
🗣️ 情景例句
I frankly don't know what to do about it.
我真不知道该怎么解决。
How long have you studied English?
你学英语多久了？
Let me see, please. No, it's not mine. I think it's his.
让我看看，不是我的。我想是他的。