Medullae
n. 髓, 髓鞘, 髓质\\n[医] 髓[质]
🗣️ 情景例句
I think it's too easy.
我觉得它太简单了。
First, language is very important.
首先，语言是非常重要的。
You two seem to know each other.
你们俩似乎认识。