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
Won't you be busy?
你不是有事吗？
The samples you asked for will follow by separate post.
贵方所要样品另行邮寄。
Nice to meet you.
很高兴见到你。