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
And I didn't sleep well, Daddy told me.
而我总是睡不好。爸爸告诉我的。
I am very happy that you have come all the way from the United States to visit our company.
您不远千里从美国来我公司访问，我们感到非常高兴。
A foreigner living in a Swedish village wrote to the Ombudsman complaining that he had been ill-treated by the police, simply because he was a foreigner.
一个住在瑞典乡村的外国人写信给司法特派员，抱怨说他受到警察的虐待，原因就是因为他是个外国人。