Similarly, in 2009 17-year-old Melanie Oudin beat a series of top-ranked opponents, making it to the fifth round of the U.S. Open.
同样,2009年时,17岁的梅兰妮·奥丁击败了多名高排名对手,成功挺进美网公开赛第五轮。
科学60秒-科学美国人 2019年11月合集
Similarly, in 2009 17-year-old Melanie Oudin beat a series of top-ranked opponents, making it to the fifth round of the U.S. Open. How did these newcomers do so well?