Ключевые слова: active, activity, asian, athlete, athletic, boy, challenge, cheerful, child, competition, court, determination, emotion, energetic, exercise, experience, fun, game, genuine, happiness, hobby, joy, junior, leisure, match, motion, outdoor, play, player, practice, racquet, serve, skill, smile, smiling, sport, success, summer, sunny, technique, tennis, training, winning, young, youth,