Cef
[医][=centrifugation extractable fluid]离心提取液
🗣️ 情景例句
When will you be able to deliver?
您什么时候可以交货？
They that marry in green, their sorrow is soon seen.
过早地结婚，不久必悔恨。
Thanks. Oh, this is too small. Do you have a big piece, please?
谢谢。噢，这张太小了。请问你有一张大的吗？