Cef
[医][=centrifugation extractable fluid]离心提取液
🗣️ 情景例句
It sounded like a dog barking.
听起来像狗叫。
Will this flight leave on time?
这班机准时起飞吗？
Sure, just drop in my office some time and pick them up.
没问题，什么时候到我办公室来拿都可以。