Ullmann reaction
[化] 乌尔曼反应
🧩 词语组成解析
[人名] 厄尔曼
🗣️ 情景例句
I would like to send this by registered mail, please.
我想把这封信挂号寄出。
The thief is peeping through a keyhole.
那个小偷从钥匙孔中窥视。
It's between the post office and the hospital.
它就在邮电局和医院之间。