Cef
[医][=centrifugation extractable fluid]离心提取液
🗣️ 情景例句
Amtrak is happy to announce our arrival in New York City.
我们很高兴报告诸位 Amtrak火车就要到达纽约了。
Don't you get it?
你懂不懂啊？
We just caught the plane
我们刚好赶上了飞机。