Pfitzinger reaction
[化] 普菲青格反应
🧩 词语组成解析
🗣️ 情景例句
To help scrub the building interior clean.
帮忙把建筑的内部擦洗干 。
What? Already? Won't you have more coffee?
怎么，已经要走了？要不要再喝点咖啡？
Before long, biscuits of all shapes and sizes began arriving at the factory.
不久，形状各异，大小不一的饼干陆续送到工厂。