Quadroxide
[化] 四氧化物
🗣️ 情景例句
Have you discussed it with your parents?
你和父母商量过了吗？
Shame they won't be there.
可惜他们将不在那儿。
What is called 'modern civilization' is not the result of a balanced development of all man's nature.
所谓“现代文明”并不是人的天性平衡发展的结果，