Catakytic cyclization
[建] 环化环化
🧩 词语组成解析
n. 环合, 环的形成\\n[化] 环化
🗣️ 情景例句
Please give him the message.
请转告他。
It's a long story.
说来话长。
Where did you get such a nice tan?
你到哪把皮肤晒成棕色的？