宁泽涛孙杨里约“试水”（组图）

Chinese swimmer Ning Zetao tests water with his teammates during a training session in Rio de Janeiro's Olympic Aquatics Stadium in Brazil on July 31, 2016, as the team prepares for the upcoming Rio Games. [Photo/Xinhua]
2016年7月31日，中国游泳队队员宁泽涛正和队友们试水。当天，中国游泳队在里约奥林匹克水上项目体育馆备战奥运。