non-hitting arm 中文意思是什麼
non-hitting arm
解釋
異側手臂-
Solution a : to make sure that you get the racquet up high enough on the backswing, you ' ve got to use the non - hitting hand and arm to help
解決方案a :確定你在背後拉拍上讓網拍舉起到足夠高的程度,你必須使用非打擊的手和手臂幫助。
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