Diphosphoric acid
[化] 焦磷酸
🧩 词语组成解析
🗣️ 情景例句
Oh, thanks. I'll be there. Where will it be?
哦，谢谢，我一定出席。在哪里举行。
Study sickness while you are well.
居安思危。
I'm sorry, but this week isn't very convenient for me.
对不起，这个星期我都不方便。