采用现场摄影法，比较世界杯赛中男女皮艇运动员的桨频和划桨节奏。
It applied the method of on-the-spot photograph to comparing the stroke frequency and rhythm of the male and female kayakers who took part in the "World Cup".
那是他父亲的小船，划桨的节奏匀称有力，吃水很深，正在往上游划。
It was his father's shell, the OARS going in a fierce, even rhythm, biting the water, going upstream.
桨手们划桨的节奏乱了，赛艇因此慢了下来。
桨手们划桨的节奏乱了，赛艇因此慢了下来。
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