单词	airscrew
释义	airscrew /ˈɛːskruː / noun British An aircraft propeller.In 1480, Leonardo da Vinci drew his famous ‘airscrew’ machine which could never have flown.... Both planes were triplanes with twin tractor airscrews driven by shafts from the fuselage. This helicopter had four lifting airscrews and five auxiliary propellers.
随便看	two-way two-way mirror two-way street two-wheel drive two-wheeler two wrongs don't make a right twp. TWX TX -ty Tyburn tychism tycoon Tyddewi tying tying-up tyke Tylenol Tyler, Anne Tyler, John Tyler, Wat tylopod tylosin tympan tympana

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