连接在蒸汽机上的旋转式发动机使轴承转动，机器得以驱动，从而使得利用蒸汽动力纺线和织布的工厂出现。
A rotary engine attached to the steam engine enabled shafts to be turned and machines to be driven, resulting in mills using steam power to spin and weave cotton.
要真正利用他们的动力就要培养他们的兴趣。
To really harness their motivation is to build upon their interest.
世界上近五分之一的电力是由利用落水动力旋转的水轮机产生的。
Nearly one fifth of all the electricity generated worldwide is produced by turbines spun by the power of falling water.
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