The gymnast performed on the balance beam with an easy grace.

体操运动员在衡木上表演得优美如。

Crowd into the bus is a comprehensive exercise which gathers free-boxing, yoga, jiujitsu, balance beam etc. sport and fitness projects.

挤公交是包散打、瑜珈、柔道、衡木等多种体育和健身项目于一体的综合性运动。