Ecf
abbr. electrochemical fluorination-process 电化氟化法; extracellular fluid 细胞外液
🗣️ 情景例句
In two hours and fifteen minutes
再过两小时十五分钟
To love and to be loved is the greatest happiness of existence.
爱人和得到人爱是人生最大的幸福。
People had to use other ways to record information.
人们只得使用其他方法记录资料。