单词：waterwheels
音标：['wɔ:təhwi:l, 'wɔ-] ；
n. 水车；水轮；吊水机
n. a wheel with buckets attached to its rim; raises water from a stream or pond
n. a wheel that rotates by direct action of water; a simple turbine
n. a wheel that rotates by direct action of water; a simple turbine