Ключевые слова: activity, amateur, american, athletic, ballpark, balls, baseball, bat, batter, catcher, clouds, competition, concept, diamond, equipment, exercise, field, fitness, game, glove, grass, hobby, league, leisure, match, outdoor, pastime, pitch, pitcher, players, playing, professional, recreation, recreational, season, sky, sport, summer, sunny, sunshine, team, tournament, training,