Polyisobutylene
n. [化]聚异丁烯
🗣️ 情景例句
No, no.
不 不。
I'll be ready within five minutes.
我五分钟内就可以准备好了。
If you park your car in the wrong place, a traffic policeman will soon find it.
一旦你把汽车停错了地方，交通警很快就会发现。