Medullation
髓形成, 髓鞘形成
🗣️ 情景例句
They're both very good buys.
这两栋都是价格便宜的。
I know he will answer your question.
我知道他会回答我的问题。
On that day everyone eats mooncakes.
过节那天大家都吃月饼。