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
There's lots of time.
时间多得很。
There is a crook(=affliction,trial) in the lot of every one.
人生总有倒楣事；人生总有不如意处。
Excuse me. Is there a station near here?
请问，附近有车站吗？