Major League Baseball
/ˌmeɪdʒə liːɡ ˈbeɪsbɔːl/
/ˌmeɪdʒər liːɡ ˈbeɪsbɔːl/
(abbreviation MLB)
- the highest level of professional baseball in the US. Major League Baseball is also the organization which operates the two baseball leagues, the National League and the American League. World Series™
美国职棒大联盟：美国职业棒球最高水平。美国职业棒球大联盟也是经营两个棒球联盟，国家联盟和美国联盟的组织。世界大赛™