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单词 prime mover
释义

WordReference Random House Unabridged Dictionary of American English © 2024
prime mover, 
    1. [Mech.]
      • Mechanicsthe initial agent, as wind or electricity, that puts a machine in motion.
      • Mechanicsa machine, as a water wheel or steam engine, that receives and modifies energy as supplied by some natural source.
    2. Militarymeans of towing a cannon, as an animal, truck, or tractor.
    3. PhilosophyAlso called unmoved mover. [Aristotelianism.]that which is the first cause of all movement and does not itself move.
    4. a person or thing that initiates or gives power and cohesion to something, as an idea, endeavor, or organization.
    • 1935–40

Collins Concise English Dictionary © HarperCollins Publishers::
prime mover n
  1. the original or primary force behind an idea, enterprise, etc
  2. the source of power, such as fuel, wind, electricity, etc, for a machine
  3. the means of extracting power from such a source, such as a steam engine, electric motor, etc
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