Steam condenses to water when it touches a cold surface.

水蒸气触及冷的表面即凝结成水。

《新英汉大辞典》

The water is brought to the surface, as a liquid or steam, through holes drilled for the purpose.

水通过特意钻的孔，以液体或蒸汽形态被带到地表。

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As the Earth has cooled and crystallised, there were gases from volcanoes coming to the surface and the steam from them has probably formed the majority of the oceans.

当地球冷却和结晶的时候，来自火山的气体到达地球表面，其中的蒸汽可能已经形成了海洋的大部分。

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The plane was excavated with steam hoses, dismantled and lifted to the surface.

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"Well No. 4 in this area was being drilled at this site here when suddenly an underground steam explosion managed to get its way to the surface, " he explains.

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The Isles of Scilly Steam Ship Company's Skybus service said the matting would help to "reinforce the surface".

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