Remethylation
再次甲基取代作用
🗣️ 情景例句
I frankly don't know what to do about it.
我真不知道该怎么解决。
I generally agree with you.
我大体上同意你的看法。 九、 Asking For Help 请别人帮忙
You'd better take a hat.
你最好戴上帽子。