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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	unhistorical unhistorically unhitch unhittable unholiness unholster unholy unhonoured unhood unhook unhoped unhorse unhoused unhouseled unhuman unhung unhurried unhurriedly unhurt unhusk unhygienic unhygienically unhyphenated unhypocritical uni

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