男子在健身房划船机上锻炼 Man working out on a rowing machine in a gym

一名男子在健身房里穿着黑色背心，在划船机上剧烈运动。房间配有现代化的照明和设备，营造出专注的氛围。

A man in a gym intensely works out on a rowing machine, wearing a black tank top. The room has modern lighting and equipment, reflecting a focused atmosphere.