Remethylation
再次甲基取代作用
🗣️ 情景例句
What time is it?
现在是什么时间了？
Want of care does us more damage than want of knowledge.
粗心比无知更为有害。
Let me take a look at your shoulder. Where does it hurt?
让我看看你的肩膀。哪里疼？