Petrox
石油氧化物
🗣️ 情景例句
Oh, that's too bad, Robbie.
啊 ，那太遗憾了， Robbie。
Could you tell me where is the ticket office?
你能不能告诉我售票处在哪里？
I'm afraid some people forgot to sweep the floor.
它不如平时干净，恐怕是一些人忘记扫地了。