Medullation
髓形成, 髓鞘形成
??? 情景例句
We've earned it. What do you say?
我們有這樣做的權利。你說呢？
Who is the mayor of this city?
誰是這城市的市長？
Yes, of course. It's very easy.
那當然。煮它（豆腐）并不難。