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'm in the mood for soft serve ice cream.
我想吃现装雪糕。
The best mirror is an old friend.
老朋友是最好的镜子。
He was still mumbling something about hospitals at the end of the party when he slipped on a piece of ice and broke his left leg.
晚会结束时，他嘴里还在嘟哝着医院的事，突然踩到一块冰上滑倒了，摔断了左腿。