Remethylation
再次甲基取代作用
🗣️ 情景例句
Why are you in such a good mood?
为什么你的心情那么好？
I would have gone on the picnic if it hadn't rained.
如果没下雨，我就去野餐了。
Several girls stopped and looked in one of the glass-topped tables.
几个女同学停下来仔细看看陈列在一张带玻璃罩的桌子里的东西。