Cyclodehydration
[建] 环化脱氢作用, 脱氢成环作用
🗣️ 情景例句
It was so kind of them.
他们太客气了。
Lying is the first step to the gallows.
说谎是上断头台的第一步。
Hi, Li Lei! Am I late?
你好，李垒！我迟到了没有？