Pfitzinger reaction
[化] 普菲青格反应
🧩 词语组成解析
🗣️ 情景例句
You have that look in your eye.
你的眼睛里显示出你已有了答案。
One cannot get blood from a stone.
石头里抽不出血。
The answer is easy! said the doctor.
“答案很简单！”医生说。