Not so fast, Usain Bolt -- there's a new World Championships record holder, and her name is Allyson Felix.
원문출처 : https://www.cnn.com/2019/09/30/sport/allyson-felix-world-record-trnd/index.html
원문출처 : https://www.cnn.com/2019/09/30/sport/allyson-felix-world-record-trnd/index.html