但是尾巴的高度不应该经常超过背的水平线或者垂挂时松弱无力。
But the tail should not be constantly carried above the level of the back or hang limp.
他克服了25公里时的痛苦极限，进而赢得了他的第一个马拉松冠军。
He broke through the pain barrier at 25 kilometres and went on to win his first marathon.
当我们最后跑完马拉松时，感觉真的很好。
When we finally run that marathon, it just feels really great.
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