major league baseball編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看major league baseballmajor league baseball — 名詞名詞1. the highest level of professional baseball in the US and Canada1.名詞釋義美國職棒大聯盟the highest level of professional baseball in the US and Canada例句He dreams of playing Major League Baseball one day.