godan verb (-bu)
fly in the sky
Describes birds, airplanes, or other objects moving through the air. Often used in literary or descriptive contexts.
鳥が空飛ぶ姿を見て、自由だなと思った。
Seeing birds flying in the sky, I thought they were free.
飛行機が空飛ぶ音が
I can hear the sound of an airplane flying in the sky.