Ключевые слова: activity, american, athletics, ball, ball park, base, baseball background, baseball diamond, baseball helmet, catch, catcher, competition, court, fair territory, field, game, glove, goal, grass, helmet, hobby, home run, infield, league, line, outdoor, outfield, pitcher, play, play down, player, runner, sports, stage, strike, strike zone, team, team sport, traditional sport, training, umpire, victory, win,