Although those cities have cold winters, they are heat islands in the summer, with hundreds of thousands of square feet of roof surface absorbing energy.

尽管那些城市有寒冷的冬季，到了夏季，这些城市就是热岛，有数十万平方英尺的屋顶在吸收热量。

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There is a kind of rough wall surface, which is said to be sound-absorbing.

有一种墙面是麻的，据说可以吸音。

《新英汉大辞典》

Some have designed algorithms that use satellite data on surface temperatures to calculate the rate at which plants are absorbing and transpiring water.

一些人已经设计了各种算法，可利用卫星针对地表温度收集数据，计算出地球吸收和蒸发水分的速率。

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Or, if you want the professor's technical explanation, "dye sensitised solar cells with titanium oxide layers on a surface with light absorbing dye molecules adsorbed on surface which can generate electricity".

BBC: Edible edifice: Building the offices of tomorrow

First, simply by absorbing sunlight, algae floating on the surface warm the water.

ECONOMIST: Aerobiology