北京时间7月31日凌晨2点，2009年世界游泳锦标赛结束了游泳项目第5日地时间傍晚的赛事，当天一共有5个项目的冠军产生，另外还进行了4个项目的半决赛。中国队女子选手大展威风，在今天比赛中一共拿下两项冠军、一项亚军和一项第三名，并打破两项世界纪录，美国、巴西和澳大利亚各获一项冠军，当天五个项目决赛全部打破世界纪录。

　　Chinese swimmers swept two titles out of five at stake on Thursday to raise their swimming gold tally to three at the world championships in Rome。

　　Zhao Jing shattered the women's 50m backstroke world record with a time of 27.06 seconds to win the world title。

　　"It's my first world championship and this gold was beyond my wildest dreams," said Zhao, who bettered the previous mark of 27.38 seconds set by Anastasia Zueva in the semifinals。

　　Germany's Daniela Samulski claimed silver in 27.23 seconds and China's Gao Chang placed third in 27.28。

　　China rounded off the night by shattering the world record to take gold in the women's 4x200m freestyle relay。

　　The team of Yang Yu, Zhu Qian Wei, Liu Jing and Pang Jiaying timed seven minutes 42.08 seconds, more than two seconds faster than Australia's mark of 7:44.31 set at the Beijing Olympics。

　　Defending world champions the United States picked silver with Britain taking bronze。

　　Earlier, American Ryan Lochte clocked a world record of 1:54.10 to win the men's 200m individual medley gold and Brazil's Cesar Cielo Filho triumphed in the men's 100m freestyle final in 46.91, also a world record.    更多信息请访问：http://www.24en.com/

　　Australian Jessicah Schipper won the women's 200m butterfly in a world record of 2:03.41。

　　Schipper's compatriot Christian Sprenger set the men's 200m breaststroke world record in the semifinals with a clocking of 2:07.31。

　　In the women's 200m breaststroke semifinals, Canada's Annamay Pierse posted a world record of 2:20.12