Pentoxide
n. [化]五氧化物
🗣️ 情景例句
Tell me what you think, yay or nay?
告诉我你究竟是怎样想的，是还是不是？
Let me speak to you about some of the ways to successfully negotiate with foreigh businessmen.
但我仍然想跟你谈谈一些与外国商人成功谈判的方法。
Sorry, Mr. Wu. I was not here yesterday.
对不起，吴先生。我昨天没有来。