从低一级别升上高一级别的球队team promoted to a higher league

• 辽宁队是5年甲A联赛以来实力最强的升班马。

  Liaoning has been the strongest promoted team in Division 1A over the past five years.

• 北京男排从“升班马”一跃成为“大黑马”。

  Beijing's male volleyball team went from being the promoted team to being the league's dark horse.