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
The fifth word is seven.
第五个字是七。
If you were to attend the banquet ,what would you wear?
如果你将出席宴会，你将穿什么？
We are now living in a beautiful new house in the country.
我们现在住在乡间的一栋漂亮的新住宅里。