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单词 screw-propelled
释义

WordReference Random House Unabridged Dictionary of American English © 2024
screw propel′ler, 
  1. Aeronauticsa rotary propelling device, as for a ship or airplane, consisting of a number of blades that radiate from a central hub and are so inclined to the plane of rotation as to tend to drive a helical path through the substance in which they rotate.
  • 1830–40
screw-pro•pelled, adj. 

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更新时间:2024/9/21 17:34:34