Pentoxide
n. [化]五氧化物
🗣️ 情景例句
In two or three months, I'll have an advance on my book
两到三个月后 我能得到我那本书的预付款
As requested, we now hold this offer open for a further 5 days since 24th April.
按你方要求，我方报价有效期延长5日，从4月24日起。
Last year a journalist had been instructed by a well-known magazine to write an article on the president's palace in a new African republic.
去年，一位记者受一家有名的杂志的委托写一篇关于非洲某个新成立共和国总统府的文章。