Ecf
abbr. electrochemical fluorination-process 电化氟化法; extracellular fluid 细胞外液
🗣️ 情景例句
That's a great idea.
这是一个绝妙的主意。
To study in school
在学校读书
In this way Native Americans were forced onto poor land that the settlers did not want.
就这样，美洲土著人被赶到殖民者所不要的贫瘠的土地上去了。