Ключевые слова: ace, activity, athletics, background, ball, blue, close, compete, competition, concept, court, equipment, exercise, fitness, fun, game, grass, green, health, isolated, leisure, lifestyle, line, match, net, new, object, open, outdoor, outside, play, player, point, professional, racket, recreation, serve, service, set, sky, slam, sport, summer, tennis, tournament, training, white, win, yellow,