一个年轻人'；他的双手紧握着固定的自行车把手，同时坚定地蹬着自行车 A young man's hands grip the stationary bike handler while pedaling with determination

一个年轻人'；当他在白色背景上踩下每一个踏板时，他强壮的双手紧紧地抓住固定自行车的车把。

A young man's strong hands firmly grip the handlebars of the stationary bike, as he pushes through each pedal stroke over a white background.