Polyacrylonitrile
n. [化]聚丙烯腈
🗣️ 情景例句
and then we'll figure out what to do today.
然后我们再决定今天做些什么。
It takes courage to do so.
这样做需要勇气。
Before it could be transported to the United States, a site had to be found for it and a pedestal had to be built.
在雕像被运往美国之前，必须为它选好一块场地，同时必须建造一个基座。