Allylic substitution
[化] 烯丙位取代(取代在邻接于双键的C上)
🧩 词语组成解析
烯丙基的
substitution
[ˌsʌbsti'tju:ʃən]
n. 代替;代用;替换;<化>取代（作用）;
🗣️ 情景例句
I think I've got them all, but I'm not sure.
我想我都已经拍齐了， 但我不能肯定。
It's raining cats and dogs.
下着倾盆大雨。
He has to take care of his sick mother.
他得照顾他生病的母亲。