基本仰泳 (elementary backstroke) 並非游泳比賽所使用的四式裡的一種,但就休閒娛樂與求生/救生而言是一種很好的泳姿。簡單易學,加上口鼻出水,不用考慮換氣,實在是初學者應學的一種泳姿。被......(詳全文)
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...The picture was taken from the website of iSports at URL stated below, the copyright remains with its original owner. http://swim.isport.com/swimming-guides/how-to-kick-breas......(詳全文)
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