Ecf
abbr. electrochemical fluorination-process 电化氟化法; extracellular fluid 细胞外液
🗣️ 情景例句
Who ever heard of a pet goat?
有谁听过宠物羊的啊？
I know what you mean.
我了解你的意思。
When we later walked down the main street of the villager, we were followed by a silent procession of children.
后来，我们在村里的主要街道上行走的时候，一队默不作声的孩子跟在我们后头。