These include the top swimmers and gymnasts.

包括游泳运动员和体操运动员。

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The ropes let swimmers cling to the device or climb on top of it until a lifeguard arrives on the scene.

这种设备上的绳索使游泳者能够抓紧它或爬上其顶部，直到救生员抵达现场为止。

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If you look at the top American swimmers, you will notice that the number of kicks, strength of the kicks and kicking technique is different for each swimmer.

你可以参考美国的顶级游泳运动员，你将会发现他们打腿的数目、强度和技术各有不同。

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But despite the problems, top swimmers say they are delighted with the pool.

BBC: NEWS | UK | Wales | South West Wales | Defects found at ?11m pool

This meant that Franklin would swim two hours a day, five or six days a week, with an average of roughly 4, 000-5, 000 yards per day less than half the yardage logged by top college swimmers.

WSJ: Missy Franklin: How Not to Ruin a Swimming Prodigy

Four out of the top five positions in the heats of the 100 freestyle were occupied by swimmers from the Netherlands.

BBC: What do they say about the best laid plans?