Mannich reaction
[化] 曼尼希反应; 曼尼希缩合反应
🧩 词语组成解析
🗣️ 情景例句
How come you speak such good English?
你为什么能说这么好的英语呢？
Advanced technology has enriched China.
先进的工业技术使中国富裕起来。
A few hours earlier, someone had told the police that thieves would try to steal the diamonds.
数小时以前，有人向警方报告，说有人企图偷走这些钻石。