求翻译：在第30届伦敦奥林匹克运动会400米女子混合泳决赛中，中国小将叶诗文完成震惊世界的逆转，以4分28秒43的成绩夺得金牌，并打破世界纪录，从而为中国泳军摘得第二枚金牌。是什么意思？

Complete reversal shocked the world in the 400 meters women's medley final of the 30 session of the London Olympic Games, the Chinese teenager leaves poetry, won the gold medal in 4 minutes and 28 seconds and 43 achievements, and to break the world record, which won the Chinese Swimming military gol

In the 30th annual London Olympic Games women's 400 meters medley final, Chinese poetry, the complete reversal that shocked the world, 4:28 to 43 seconds, won the gold medal of achievement and broke the world record in swimming to China's military off the first 2 gold medals.

正在翻译，请等待...

The 30th session of the London Olympic Games in the 400-meter women's Medley final, young Ye Shiwen completed, China shocked the world downturn, won the Gold Medal with 4 minutes 28 seconds, and break the world record, so as to comparing with Chinese army won a second gold medal.

In the 30th session of London Olympics games 400 meter female medley relay finals, the Chinese young fellow leaf prose completes the shock world the reversal, wins the gold medal by 4 minutes 28 second 43 result, and breaks the world record, thus swims the armed forces for China to pick the second g