Some employ distillation, which needs about 10 kilowatt-hours (kWh) of energy per cubic metre of seawater processed. Brine is heated, and the resulting water vapour is condensed.
一种方法是海水蒸馏，通过加热卤水可以得到浓缩的水蒸气，这种方法每淡化1立方米的海水需要10千瓦时的电量。
If heated, water can be turned into vapour.
如果受热，水会变成蒸气。
When heated, water changes into vapour.
给水加热时，它会变成蒸气。
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