Description: Through the interaction between the two story protagonists, Uncle Mi and Geng, this book subtly integrates the development process of triathlon, leading readers into the world of triathlon, distinguishing the distance and nature of different competitions such as swimming, running, cycling, etc., and also through The professional vocabulary explains the equipment and training precautions, so that every reader can understand the world of Iron Man while reading with a relaxed mood. The sports secrets of all triathlons can be found in one sweep, allowing you to expand your horizons in the field of sports and experience the charm of iron man.
