Petrox
石油氧化物
🗣️ 情景例句
Hey, go to the doctor. That cough sounds bad.
嘿，去看看医生吧，听起来你咳嗽得挺厉害的。
What is happening down there?
下面发生什么事情？
Now is as good a time as any.
就现在好了。