Polyoxybutylene
[化] 聚氧化亚丁基
🗣️ 情景例句
Let's see some action!
赶快行动起来吧！
It's no trouble at all. I'll carry this suitcase for you.
一点也不麻烦，我来替你提这只箱子。
Is my car ready yet?
我的汽车修好了吗？