Pfitzinger reaction
[化] 普菲青格反应
🧩 词语组成解析
🗣️ 情景例句
I have a question.
我有一个问题。
How many handfuls are you going to get?
你要取几把？
It was at Charlie's wedding. You were playing the piano.
那是在查理的婚礼上，你在弹钢琴。