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
It's unsafe for girls to go out alone at night.
女孩子晚上一个人外出很危险的。
What the eye does not see, the heart does not grieve over.
眼不见，心不烦。
Yes.
看见了。