单词	gyrodyne
释义	gyrodyne noun gy·​ro·​dyne ˈjīrōˌdīn plural -s : an aircraft intermediate between the helicopter and the autogiro in that the total available engine power is divided in varying proportions between a lifting rotor and a propeller Word History Etymology gyr- + -dyne (as in aerodyne)
随便看	trommel trommels tromometer tromometers tromometric tromometrical tromometry tromp trompe trompe l'oeil tromped trompes trompil trompilli trompillo trompilloes trompillos tromping tromps Tromsö tron tron hardness test tron laser trona tronador

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