求翻译：伦敦奥运会游泳女子200米混合泳决赛，叶诗文依靠最后50米自由泳的出色发挥，再次实现逆转最终以2分07秒57夺冠，并再次打破奥运会纪录，是什么意思？

London Olympic swimming women's 200 meters individual medley final, leaves poems rely on the excellent play of the last 50 meters freestyle, again to achieve the reversal of the final 2 minutes 07 seconds 57 win, and once again breaking the Olympic record,

London Olympic swimming women's 200-meter medley final, final, poems, rely on the 50m freestyle, and played in the end once again reversed by 2 57 07 seconds won the championship again, and Olympic record.

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London's Olympic swimming 200 m Medley finals, leaves poems rely on excellent play of the last 50 meters freestyle, again reversing the final 2 minutes 07 seconds, winning, and breaking the Olympic record again,

The London Olympic Games swimming female 200 meter medley relay finals, the leaf prose dependence final 50 meter crawl splendid display, realizes once more reverses finally 57 wins the championship by 2 minutes 07 seconds, and breaks the Olympic Games to record once more,