baseball swing
![baseball swing](../cache/208536.jpg)
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Lower Body Mechanics During the Baseball Swing Experimental Study of the Use of Kicking Technique in Volleyball Competitions
棒球击球下肢动作的力学分析现代排球比赛中运用脚击球的现状分析与实验研究
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Employ paper , scissor , stone tactics and buy a baseball bat to swing around the office in a stereotypical alpha male fashion .
就用石头、剪子、布的策略,去买根棒球杆回来,在办公室里作挥杆动作,一副典型的大男子做派。