“水车”是个多义词，它可以指水车（文献记载）, 水车（词语解释）, 水车（黄河水车）, 水车（灌溉工具）。
n. waterwheel ; watercart
misc. water wagon
水车 water wheel ; watermill ; water truck ; water waggon ; waterwheel
煤水车 [铁路] tender ; locomotive tender
水车前属 Ottelia ; Hydrocharitaceae Ottelia
洒水车 [环境] sprinkler ; street sprinkler ; [环境] watering cart ; sprinkling truck ; sprinkler truck
戽斗水车 wheel and bucket pump
斗轮水车 wheel and bucket pump
水车之舞 The Sprinkler Dance
运水车 water tanker ; water-transport truck ; water wagon ; transport truck
杯水车薪 overstaffing ; chicken feed
供水车 nurse tanker ; water tender ; water feeder
关于不同类型水车的相对效率有很多争论。
There was much debate on the relative efficiencies of different types of waterwheels.
烧煤的蒸汽机开始占领市场，于是水车很快就过时了。
The coal-fired steam engine was taking over, and the waterwheel was fast becoming obsolete.
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。
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.
应用推荐