Graebe-ulmann carbazole synthesis
[化] 格雷伯-乌尔曼咔唑合成法
🧩 词语组成解析
n. [化]咔唑
🗣️ 情景例句
Her name's Gemma,
它叫做Gemma，
Cowards are cruel.
懦夫不仁。
That's the trouble, vicar,' answered Bill.
“问题就在这里，牧师，”比尔回答说。