________________________.Ethiopia's Tiki Gelanna won the women's marathon Olympic gold medal through the rainy streets of London Sunday.She finished the race in seconds ahead of Kenya's Priscah Jeptoo who won silver. Later Sunday, the world's fastest men will line up for the 100-meter race where fans will be looking to see if Jamaica's Usain Bolt will be able to keep his Olympic crown.American tennis star Serena Williams captured the women's gold medal Saturday at the London Olympics about a month after capturing the Wimbledon title on the same court.VOA's Parke Brewer was at the All England Club in Wimbledon and reports on her dominating performance.周日,来自埃塞俄比亚的提基?格兰纳(Tiki Gelanna)在伦敦阴雨连绵的街道上取得了女子马拉松比赛的冠军。肯尼亚选手布里斯克?吉普多(Priscah Jeptoo)落后几秒钟摘得银牌.百米飞人大战将在周日晚些时候开始,世界纪录保持者----来自牙买加的尤塞恩?博尔特(Usain Bolt),将再次踏上起跑线,他能否成功卫冕成为本次比赛的最大看点.美国网球名将塞雷娜?威廉姆斯(Serena Williams)周六摘得女子网球单打的金牌,一个月前,她刚刚在同一块场地上获得了温布尔登网球公开赛的冠军.VOA记者Parke Brewer 在全英俱乐部为您报道塞雷娜在球场上的抢眼表现.