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单词 propulsion
释义

WordReference Random House Learner's Dictionary of American English © 2024
pro•pul•sion /prəˈpʌlʃən/USA pronunciation   n. [uncountable]
  1. the act of propelling; the state of being propelled:jet propulsion.
pro•pul•sive /prəˈpʌlsɪv/USA pronunciation  adj. See -puls-.

WordReference Random House Unabridged Dictionary of American English © 2024
pro•pul•sion  (prə pulshən),USA pronunciation n. 
  1. the act or process of propelling.
  2. the state of being propelled.
  3. a means of propelling; propelling force, impulse, etc.
  • Latin prōpuls(us) (past participle of prōpellere to propel) + -ion
  • 1605–15
pro•pul•sive  (prə pulsiv),USA pronunciation pro•pulso•ry, adj. 
Collins Concise English Dictionary © HarperCollins Publishers::
propulsion /prəˈpʌlʃən/ n
  1. the act of propelling or the state of being propelled
  2. a propelling force
Etymology: 15th Century: from Latin prōpellere to propel

propulsive /prəˈpʌlsɪv/, proˈpulsory adj
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