The coal-fired steam engine was taking over, and the waterwheel was fast becoming obsolete.

烧煤的蒸汽机开始占领市场，于是水车很快就过时了。

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Unfortunately this early plant experienced the problem common to many forms of renewable energy: the flow in the Wey River was unreliable, and the waterwheel was soon replaced by a steam engine.

不幸的是，这个早期的工厂遇到了许多可再生能源形态都遇到的问题：韦河的水流不稳定，而水车很快就被蒸汽机取代了。

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The impulse of falling water turns the waterwheel.

落水的冲力使水轮转动。

《新英汉大辞典》

"We hope that this project will not only see the waterwheel turning again for the first time in decades, but will also see a return of water vole and other species to the mill pond and leetes, " he said.

BBC: Loggerheads Country Park: Mill waterwheel to turn again

Tom Broadbent has adapted the early river waterwheel electrical generation system for use in high-rise buildings.

FORBES: Going Vertical

Senior countryside officer David Shiel said it has been many years since the mill's waterwheel has been able to turn properly because there has been little water in the pond system.

BBC: Loggerheads Country Park: Mill waterwheel to turn again