One of the most powerful of all weather systems, hurricanes are powered by the heat energy released by the condensationof water vapour.
作为所有天气系统中最强大的系统之一,飓风是由水蒸气凝结释放的热能所驱动的。
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The presence of clouds at night can also prevent fog formation of this type, because they trap the earth's heat, not allowing the cooling of the air for condensation.