Nucleus substitution
[化] 环上取代反应
🧩 词语组成解析
substitution
[ˌsʌbsti'tju:ʃən]
n. 代替;代用;替换;<化>取代（作用）;
🗣️ 情景例句
I have been talking to a group of salesmen
我一直在与一群推销人员谈话
Yes, quit my job!
是的，辞职。
The lawyer was brief and to the point.
律师简明扼要地说道。