Polybenzimidazole
聚苯并咪唑
🗣️ 情景例句
I don't know about that.
我表示怀疑。
Some people never learn.
有些人就是学不乖。
All these cats had one experience in common: they had fallen off high buildings, yet only eight of them died from shock or injuries.
它们都曾从高层建筑上摔下来过，但只有其中的8只猫死于震荡或跌伤。