Serious, adult, fit muscular caucasian man coach posing for a photoshoot in a dark studio, wearing sportswear, showing his muscles with dumbbells 强壮的、健壮的、健壮的、肌肉发达的高加索男子教练身穿黑色运动服，摆出一副哑铃，面带微笑地在聚光灯下的黑暗工作室里拍照。