熟练的体操运动员用脚趾在平衡木上行走 Skilled gymnast walking on her toes on a balance beam

在黑暗空旷的体操馆里，一位穿着粉红色紧身衣、技术娴熟的年轻体操运动员踮着脚尖站在平衡木上。

Skillful young gymnast in a pink leotard, tiptoeing on a balance beam in a dark and empty gymnastics gym.