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
Don't count on a salary increase this year.
别指望今年会给你加薪。
Excuse me, would you give me a hand?
对不起，你能帮我个忙吗？
Our manufacturing costs have gone up too much.
我们的制造成本增加太多了。