Quadroxide
[化] 四氧化物
🗣️ 情景例句
He actually took me to meet his foreman.
事实上他带着我去见他的工头。
This week he took his first vacation from work in five years.
五年来，他本周破例第一次休假。
It was made of red silk.
它是用大红丝绸做的。