Ключевые слова: adult, athlete, beat, blue, cap, center, class, coach, crawl, female, fitness, front, girl, goggles, gym, hand, happy, instructor, kid, learn, lesson, lifestyle, man, people, person, pool, race, section, speaking, speed, sport, sportive, start, stopwatch, student, suit, swim, swimmer, teacher, teaching, team, time, trainer, training, underwater, view, watch, water, whistle, woman,