Tetroxide
n. 四氧化物\\n[化] 四氧化物
🗣️ 情景例句
What subject did you major in university?
你在大学主修的科目是什么？
Not only did I forget my train ticket, but I also forgot my passport.
我不仅忘了带火车票，还忘了带护照。
In answer to these questions I either nodded or made strange noises.
作为对这些问题的回答，我不是点头，就是发出奇怪的声音。