人类消耗巨量的水。我们不仅喝水,还用来刷洗和洗澡,灌溉农作物和浇灌花园,通过下水道系统排污。流动的水曾是驱动机器的第一能源。今天的工厂仍然用水进行生产,有时直接用它冷却机器设备。在一些国家,水力发电 Humans consume a huge amount of water. Not only do we drink water, we also use it for brushing and bathing, irrigating crops and watering gardens, and draining sewage through the sewer system. Flowing water used to be the primary source of energy for driving machines. Today’s factories still use water for production and sometimes use it directly to cool machinery and equipment. In some countries, hydropower