13岁游泳健将于子迪
Yu Zidi is a great swimmer. She started swimming at age six. One hot summer, she went to a water park with her father. She loved playing in the water. Later, a coach named Li Chao found her there. He found Yu had a good feeling for water. So he asked her to join the swimming team. There Yu trained (训练) with bigger kids after school. After four years of training, she became a great swimmer in China.