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
I need to be in the top percentage of my class to study abroad.
为出国留学，我的成绩必须在班里名列前茅。
He is proud of his achievement.
他为自己取得的成就感到骄傲。
Is there anything I can do for you?
我能为你做点什么吗？