Ecf
abbr. electrochemical fluorination-process 电化氟化法; extracellular fluid 细胞外液
🗣️ 情景例句
As far as I am concerned, I cannot object to your marriage.
就我个人而言，我不反对你们的婚事。
He learns Spanish every day.
他每天都学西班牙语。
What do you think?
你怎么认为？