Ключевые слова: ace, active, activity, athletics, background, ball, black, break, challenge, color, competition, concept, copy, court, dirt, earth, equipment, exercise, felt, game, green, hard court, hobby, horizontal, individual sport, league, leisure, line, net, netting, no, nobody, object, one, passion, play, point, professional, racket, recreation, serve, service, set, space, sport, strings, tenis, tennis, white, yellow,