desalinate

音標(biāo)發(fā)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(shù)價(jià)格不菲，這就意味著海水淡化的代價(jià)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.
這就意味著在當(dāng)?shù)貛缀蹩偸强梢哉业奖鹊Ｋ畠r(jià)的淡水，然而，這種價(jià)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，這種納米管膜，可以同時(shí)使鈉離子和氯離子（這是帶負(fù)電荷）從海水里分離，從而成為一個(gè)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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