Medullation
髓形成, 髓鞘形成
🗣️ 情景例句
Please help me to get things straight.
请帮助我把事情搞好。
Make up your mind!
干脆点！
At this time of the morning, the arcade was almost empty.
在早晨的这个时候，拱廊街上几乎空无一人。