Graebe-ullman reaction
[机] 格雷伯-乌尔曼反应
🧩 词语组成解析
n. (Ullman)人名；(捷、瑞典、意)乌尔曼；(英)厄尔曼
🗣️ 情景例句
Isn't it exciting, Grandpa?
真令人兴奋， 是吗， 爷爷？
Which one is more interesting?
哪一个是比较有趣的？
Whose sweaters are these?
这些都是谁的毛衣？