一个健身的女人快速地踩着静止的自行车 A fitness woman rapidly pedaling on the stationary bike

一位健身女性在黑色背景下快速踩着静止的自行车，她专注的表情反映了决心和毅力。

A fitness woman rapidly pedaling on the stationary bike over a black background, her focused expression reflecting determination and perseverance.