Allylic halogenation
[化] 烯丙型卤化
🧩 词语组成解析
烯丙基的
n. [化]卤化
🗣️ 情景例句
No, by train.
不， 坐火车。
I asked him to lend me a book , but he wouldn't.
我请他把书借给我，但是他不肯。
It's time you went to bed.
你早就该睡觉了。