Ключевые слова: adult, athlete, beat, cap, center, child, children, class, clipboard, clock, coach, competition, digital, extracurricular, female, fitness, girl, gym, hand, happy, indoor, instructor, kid, learn, lesson, lifestyle, man, people, pool, race, section, speaking, speed, sport, sportive, start, stopwatch, student, swim, swimmer, teacher, teaching, team, time, trainer, training, watch, water, whistle,