Quadroxide
[化] 四氧化物
🗣️ 情景例句
It is special. Happy anniversary.
确实很特别。结婚周年快乐！
I am not sure such data does exist.
我不确定是否有这样的资料存在。
When anyone opens a current account at a bank,
任何人在银行开一个活期账户，