propeller

/pɹəˈpɛl.ɚ/ 名词 B2

中文：螺旋桨

One who, or that which, propels.
A mechanical device with evenly-shaped blades that turn on a shaft to push against air or water, especially one used to propel an aircraft or boat. · The plane’s propeller spun rapidly before takeoff.· The boat is powered by a single propeller.
A steamboat thus propelled; a screw steamer.
A spinnerbait.

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