Medullation
髓形成, 髓鞘形成
🗣️ 情景例句
What's the starting salary in your company?
在你的公司底薪是多少？
We'll have fine weather for the next few days?
以后几天天气晴朗。
Some of the things were hundreds of years old.
展出的一些东西已有数百年的历史了。