Polyisobutylene
n. [化]聚异丁烯
🗣️ 情景例句
Perhaps you could get a guarantor--
也许你可以找一位担保人
Can I cancel this ticket?
我可以取消这张票吗？
Nice to see you. Please come in. This way, please.
很高兴见到你，进来吧！请这边走。