Ullmann reaction
[化] 乌尔曼反应
🧩 词语组成解析
[人名] 厄尔曼
🗣️ 情景例句
You're a big boy.
你是个大孩子了。
Our project must proceed at a reasonably quick tempo. Surely one month is ample time, isn't it?
这个计划必须尽速进行。一个月的时间应该够了吧？
Oh, I usually come on foot.
噢，我常步行来。