Electrorefining
n. 电解提纯, 电精炼\\n[化] 电解精炼
🗣️ 情景例句
It was not until yesterday that I noticed it.
我一直到昨天才注意到它。
The college was established in 1940.
该学院建立于1940年。
The holes are only borings, less than a foot in diameter.
这些洞只不过是一些钻孔，直径不到1英尺。