Pentoxide
n. [化]五氧化物
🗣️ 情景例句
Save that for the suckers.
鬼才信你那一套。
Kennedy Airport, please. I have to be there by 7:00.
请到肯尼迪机场。我得在七点前赶到那儿。
Are you looking forward to your holiday?
你在盼着你的假期吗？