desalinate

音标发音

Energy and the technology to desalinate water are both expensive, and this means that desalinating water can be pretty costly.
淡化海水所需的能源和技術價格不菲，這就意味著海水淡化的代價極其昂貴。
That means it's still almost always cheaper to use local freshwater than to desalinate seawater. This price gap, however, is closing.
這就意味著在儅地幾乎縂是可以找到比淡化海水更廉價的淡水，然而，這種價格差距正在消失。
So a nanotube membrane that allows both sodium and chloride ions (which are negatively charged) to flow out of seawater could become a cheaper way to desalinate water.
因此，這種納米琯膜，可以同時使鈉離子和氯離子（這是帶負電荷）從海水裡分離，從而成爲一個淡化海水的便宜方式。

To desalinate salt water, the technology passes it between two oppositely charged super capacitors, which attract charged ions.
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