Polyacrylonitrile
n. [化]聚丙烯腈
🗣️ 情景例句
But please call first.
不过，请你先打电话。
He who has a mind to beat his dog will easily find his stick.
欲加之罪，何患无辞。
We're going to work on a farm. Don't you know?
我们打算去农场劳动，你不知道吗？