Polyfluoroacrylate
[化] 聚氟代丙烯酸酯
🗣️ 情景例句
the quarterback on our football team.
我们足球队的四分卫。
Yes, she's free then.
可以，她那时有空。
What did Wang Wei write about in her letter?
王伟在信里写了什么？