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
Robbie says you can't take him to the game today. Robbie
说你今天不能带他去看比赛。
Change lays not her hand upon truth.
真理不变。
That's neat.
这很好。