Katie Ledecky has made history at the world championships, and she's not done yet.
원문출처 : http://www.cnn.com/2017/07/25/sport/world-aquatics-championships-katie-ledecky-wins-12th-gold-medal/index.html
원문출처 : http://www.cnn.com/2017/07/25/sport/world-aquatics-championships-katie-ledecky-wins-12th-gold-medal/index.html