Usherwood的甄选

Asforimitatingaviananatomytoamplifyairplaneaerodynamics,Usherwoodisn'twhollyconvinced-buthedoesn'truleoutthepossibility,either.至于模仿飞鸟飞行来改善飞机的空气动力学*能，Usherwood也不是完全有信心，但是...