一位年轻的黑人运动员在白色背景下骑着固定自行车进行训练 A young athletic black man engages in training on a stationary bike against a white backdrop

在白色背景的原始画布上，一位穿着黑色运动服的年轻、健壮的黑人男子骑着一辆固定自行车，专注于训练。

Against the pristine canvas of a white backdrop, a young, athletic black man wearing black sportswear dedicates himself to a focused training session atop a stationary bike.