Teroxide
三氧化物
🗣️ 情景例句
Well, maybe you'll come for lunch some Sunday,so we can really thank you for bringing Richard's bag back.
既然如此 或许哪个星期天你能来吃中饭让我们好好地感谢你送回Richard的旅行袋。
Do you want to airmail it or not?
你想发航空信吗？
That's OK.
别客气。