Ullmann reaction
[化] 乌尔曼反应
🧩 词语组成解析
[人名] 厄尔曼
🗣️ 情景例句
Mid terms are coming soon.
很快就期中考试了。
I can't say for certain off-hand.
我还不能马上说定。
It was your turn to wash them yesterday.
昨天轮到你把它们洗干净。