Pentoxide
n. [化]五氧化物
🗣️ 情景例句
I suppose you want to borrow money from me again?
我想你又要找我借钱了吧？
We need more staff in the office.
我们办公室需要增加人手。
Zheng Jie, I would like to support your music school.
郑杰，我愿意资助你办音乐学校。