体育英语|孙甜甜爆冷赢小威　送卫冕冠军回家

BEIJING - Serena Williams was upset in the second round of the China Open on Wednesday, losing to unheralded Sun Tiantian 6-2, 7-6 .

Sun, ranked 127th in the world and fourth among Chinese players, took advantage of numerous^{1 errors by Williams, who said she was bothered by an ailing2 left knee.}

I just played terrible, Williams said. Sun played very well and was ready for the match. I'm disappointed^{3 I couldn't perform better today.}

Williams, No. 9 in the world rankings, won last year's event and is very popular in China. However, the crowd cheered as Sun pulled off a surprise victory^{4 the first of her career against a player ranked in the TOP 40}

北京时间9月21日晚，雅典奥运会女双冠军、中国选手孙甜甜在中网女单第二轮比赛中，6-2/7-6爆冷击败卫冕冠军、种子选手小威廉姆斯，晋级中网女单八强。