[游泳技巧] 自由式的打水 (flutter kick)＠La Vita è … 虽然会游泳已经很久了，但是开始练游泳是这几年的事。
短语
back flutter kick震动打腿
bair coolingk flutter kick震动打腿
专业释义
英英释义
flutter kick
n.a swimming kick; the legs are moved rapidly up and down without bending the knees
英汉双解大词典
flutter kick
1.
N（名词）
a type of kick used in certain swimming strokes, such as the crawl, in which the legs are held straight and alternately moved up and down rapidly in the water (游泳运动中腿部)打水