Electrocyclic reaction
[化] 电环化反应; π键环化反应
🧩 词语组成解析
🗣️ 情景例句
Does he know you're here?
他知道你在这 吗？
The peacock has fair feathers, but foul feet.
孔雀虽有华羽，但有贱足。
He entered the cell and presented the letter to the aristocrat.
狱卒走进牢房，将信交给贵族。