Research on Space-time Characteristic of Shoulder, Hip, Discus and Center of Gravity of Thrower in Rotational Discus Throwing Technique是什么意思_Research on Space-time Characteristic of Shoulder, Hip, Discus and Center of Gravity of Thrower in Rotational Discus Throwing Technique在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句