Cef
[医][=centrifugation extractable fluid]离心提取液
🗣️ 情景例句
What is language for?
语言到底是用来干什么的？
Do you think you'll be able to go to sleep right away?
你认为你将马上入睡吗？
I see, we'll look for them on our end.
哦，我们这边会找找看。