the American LeagueAˌmerican ˈLeague, the one of two groups of professional baseball teams that make up the highest level of baseball in the US and Canada. Every year, the team that wins in this league plays against the winning team of the National League in the World Series. Its full name is the American League of Professional Baseball Clubs. 美国棒球联盟〔美国和加拿大的两个职业棒球联盟之一，其年度冠军与国家联盟的胜者之间举行世界职业棒球锦标赛〕