Ecf
abbr. electrochemical fluorination-process 电化氟化法; extracellular fluid 细胞外液
🗣️ 情景例句
Bet the farm!
全赌上！
Have but few frieds,though many acquaintances.
结交可以多，朋友应宜少。
I'm sorry.We don't have any.
对不起，我们没有。