Hantzsch pyridine synthesis
[化] 汉奇吡啶合成
🧩 词语组成解析
pyridine
['pɪrɪˌdi:n]
n. 吡啶（治喘病用）;氮（杂）苯;
🗣️ 情景例句
I'm sorry you can't come with us, Susan.
很遗憾你不能同我们一起去， Susan。
Happens all the time.
常有的事。
Neither of us spoke during the journey.
旅途中我们谁也没讲话。