Polyisobutylene
n. [化]聚异丁烯
🗣️ 情景例句
Your birthday is tomorrow, isn't it?
你明天生日 ，是吗？
Please don't bother. Thank you just the same.
请不要麻烦了，谢谢。
He started to complain about this wicked world but was interrupted by a knock at the door.
他开始抱怨起这个邪恶的世道来，却被一阵敲门声打断了。