Serena becomes oldest world number one with victory

 　　DOHA, Feb. 15 (Xinhua) -- Serena Williams made the history at the age of 31 as the American became the oldest world number one after a quarter-final victory¹ at the Qatar Open on Friday here.

　　Her 3-6, 6-3, 7-5 battle against Petra Kvitoa of the Czech Republic put her back to the No.1 seat two and a half years later.

　　American Chris Evert set the previous record of 30 years and 11 months in 1986, six months younger than Serena, whose career was also damaged by pulmonary embolism and a series² of injuries.

　　"I am so sensitive³ nowadays. I am always crying, but I never thought I would be here again you know," said Williams.

1 victory   

n.胜利，成功

参考例句：

• Victory will never come if we only wait for it.如果我们光是等待，胜利永远不会到来。
• It can't be questioned that we will win the final victory.我们将最终取得胜利，这是确定无疑的。

2 series   

n.连续；系列

参考例句：

• The students have put forward a series of questions.学生们提出了一系列问题。
• He gave forth a series of works in rapid succession.他很快连续发表了一系列的作品。

3 sensitive   

adj.敏感的，灵敏的，过敏的，感光的

参考例句：

• He's very sensitive about his ugly appearance.他对自己丑陋的外貌很敏感。
• It's difficult to avoid stepping on her sensitive feelings.很难不伤害她脆弱的情感。