Polyacrylonitrile
n. [化]聚丙烯腈
🗣️ 情景例句
I do care.
我真的关心。
The path down to evil is easy.
堕入罪恶的道路是容易走的。
I have never been able to look at a snail since then.
从那以后，我再也不能看一眼蜗牛了。