模仿文本： Well next to the Australian Open Tennis Championships, and the American teenager Sloane Stephens caused the biggest upset at this year's event when she rallied to beat an injury-hampered Serena Williams in the quarter-finals. Stephens won 3-6, 7-5, 6-4 to set up a semi-final against the defending champion Victoria Azarenka. The 19-year-old maintaining her focus to see out the victory after the five-times champion jarred her back in the second set and then left the court for medical treatment. 

 

译文：下面来看澳网公开赛，史蒂芬兹（Sloane Stephens）重振旗鼓，在四分之一决赛击败了受伤的塞雷娜·威廉姆斯（Serena Williams），小威廉姆斯淘汰成为了本年度赛事中最沮丧的事。史蒂芬兹以3-6, 7-5, 6-4取胜，将与卫冕冠军维多利亚·阿扎伦卡（Victoria Azarenka）会师半决赛。这位19岁的年轻选手全神贯注，认为正是小威廉姆斯在第二回合中背部受伤并离场治疗后，成就了她最后的获胜。