What is the Shanghai second-line swimming team?

A team for cultivating competitive swimming talents. Shanghai second-line swimming team is a public institution directly under Shanghai Sports Bureau, which undertakes the task of training and transporting outstanding young swimming reserve talents, and refers to the team that trains competitive swimming talents. Swimming is a skill that people exercise through their own physical exercises in the water. It can be divided into competitive swimming and practical swimming, which came into being and developed in the process of human struggle with nature.