Ecf
abbr. electrochemical fluorination-process 电化氟化法; extracellular fluid 细胞外液
🗣️ 情景例句
His car's burning oil.
他的车烧油。
That's a tough question to answer.
那是一个很难回答的问题。
'Not at all,' I lied, 'but I'm going to the dentist.'
“没关系，但我准备去牙医那里。”我说了个谎。