胳臂和肘要弯曲，使它们随着每一步以肩为轴进行摆动。

Bend your arms at elbows. Let them swing from the shoulders with each step.

youdao

胳臂和肘要弯曲，使它们随着每一步以肩为轴进行摆动。

Bend your arms at elbows. Let them swing from the shoulders with each step.

youdao