[U]agameplayedespeciallyintheUSbytwoteamsofnineplayers, usingabat and ball. Each player tries to hit the ball and then run around four basesbeforetheotherteamcanreturntheball棒球运动◆abaseballbat/team/stadium棒球球棒/球队/球场◆apairofbaseballboots一双棒球靴➡ comparerounders[C]theballusedinthisgame棒球