Macrocyclic compound
[化] 大环化合物
🧩 词语组成解析
[机] 大环的
🗣️ 情景例句
It is special. Happy anniversary.
确实很特别。结婚周年快乐！
I've changed my mind.
我已经改变主意。
I decided to take her by train.
我决定带她乘火车去。