With water heated, we can see the steam.

水一被加热，我们就会看到水蒸气。

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This heated air, drawn down from the roof, then mixes with the greenhouse air as it reaches a second sea-water-moistened cardboard wall at the back of the greenhouse.

从屋顶吸出的这种热空气，在到达温室后部第二个被海水润湿的纸板壁时，便与温室空气混合。

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Geothermal power stations tap aquifers heated by contact with hot rocks in volcanic regions-or, in hot but dry spots, they pump water past such rocks to heat it up.

地热发电厂利用火山地区——或者地温高且干燥的地点——的干热岩体传导热能给含水层畜热，然后将水注入含水层利用热岩体对其加热并使之汽化。

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Once the water is heated, it is kept hot with material called insulation.

VOA: special.2009.04.20

Levi's has spent the past 18 months redesigning processes to save 45 million gallons of water, along with the energy that would have heated that water.

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One recent weapon is what frog-busters are calling a "hot shower chamber, " a modified freight container used by nurseries to ship plants, with multiple heads that spray heated water onto the plants and kill any coquis that might be lurking there.

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The six bedroom house has been restored and the heated in-ground swimming pool is filled with water and in use.

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