Allylic
烯丙基的
🗣️ 情景例句
I'll have to work for years to pay off my college loan.
我得工作好几年才能还清助学贷款。
We go to bed at 10:30.
我们十点半睡觉。
They misplaced this book under other categories.
他们把它错放到另一个类别去了。