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单词 prime mover
释义
prime mover
n.
1.
a. One regarded as the initial source of energy directed toward a goal: Patriotism was the prime mover of the revolution.
b. The initial force, such as electricity, wind, or gravity, that engages or moves a machine.
c. A machine or mechanism that converts natural energy into work. Also called primum mobile.
2. Any of various heavy-duty trucks or tractors.
3. Philosophy In Aristotelian philosophy, an eternal, immaterial being of pure motion that cannot be changed but is the cause of change and motion.
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