Ключевые слова: activity, afternoon, agility, athletic, balls, bounce, buzzer, challenge, competition, concentration, court, drills, dynamic, energy, enjoyment, enthusiasm, equipment, exercise, fitness, focus, fun, game, green, height, jump, leisure, motion, outdoor, performance, player, practice, precision, rally, recreation, serious, skills, speed, sports, sportsmanship, strategy, surface, teamwork, tennis, training, vibrant, youth, zone,