Ecf
abbr. electrochemical fluorination-process 电化氟化法; extracellular fluid 细胞外液
🗣️ 情景例句
The other half?
另一半？
I lost two teeth, my contract, and the game.
福无双降，祸不单行；黄鼠狼单咬病鸭子。
He's gone to England with his family. He won't be back until January.
他和家人一起回英国了。要到元月份才回来。