| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024screw′ propel′ler, - 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.
screw′-pro•pelled′, adj. |