Pfitzinger reaction
[化] 普菲青格反应
🧩 词语组成解析
🗣️ 情景例句
What business are you in?
你从事哪一行？
I guarantee.
我保证。
I hope we can make a decision today. I believe prices might go up next week.
我希望今天就决定下来。我相信下周价格会上涨。