Hydroxylammonium
羟铵
🗣️ 情景例句
Why did you stop working?
你为什么要退休？
The flight number is ak708 on september 5th.
班机号码是9月5日ak708
A great many former pupils will be attending a farewell dinner in his honour next Thursday.
很多老同学都准备参加下星期四为他举行的告别宴会。