Polyfluoroprene
聚氟丁二烯
🗣️ 情景例句
I'm glad I got to know you--and your family.
我也很高兴能够认识你和你的一家人。
Let me give you a little motherly advice.
让我给你一些母亲般的劝告。
No, no drawings can be done until the wall is dry. That may take about a week.
不行。墙不干是不能在上面画画的。大概要一周才能干。