Allylic
烯丙基的
??? 情景例句
I think I've got them.
我想我已經(jīng)拍齊了。
Our team beat their team yesterday.
昨天，我們隊打敗了他們隊。
'It's none of your business,' the young man said rudely.
“不關(guān)你的事，”那男的毫不客氣地說，