一位运动型的年轻黑人男子在白色发光的背景上踩着自行车，紧紧抓住固定的自行车把手 An athletic young black man firmly grips the stationary bike handle while pedaling o ver a white luminous background

在一个容光焕发的白色环境的背景下，一个运动型的年轻黑人男子坚定地抓住一辆静止的自行车的把手，他有力的肌肉进行着有节奏的蹬踏动作，流露出决心。

Against the backdrop of a radiant white environment, an athletic young black man exudes determination as he firmly grips the handles of a stationary bike, his powerful muscles engaged in a rhythmic pedaling motion.