Back step shot with jump 后撤步跳投
Shot, the photographer asked me where is the most beautiful, I step back to you.
要拍摄的时候，摄影师问我哪里最美，我退后一步指向你。
The practitioner of the technology of back forward slippery step shot put often can not accurately understand and grasp techniques, thus can not coordinate to make efforts.
背向滑步推铅球技术的习练者往往不能准确理解和掌握技术细节，因而不能协调用力。
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