Ecf
abbr. electrochemical fluorination-process 电化氟化法; extracellular fluid 细胞外液
🗣️ 情景例句
His number is 555-8842.
他的电话是555-8842。
Tomorrow comes never.
切莫依赖明天。
They put the food in paper bags, and take it home, or to their work place.
人们把这些食品装进纸袋，然后带回家或工作地点。