Ecf
abbr. electrochemical fluorination-process 电化氟化法; extracellular fluid 细胞外液
🗣️ 情景例句
It was my pleasure.
这是我的荣幸。
Do you have a computer?
你有计算机吗？
I think you had better come out to the factory.
我看你最好走一趟工厂，