An umpire is of course the official who enforces the rules in baseball and a number of other sports.

umpire是在棒球或其他体育比赛中执行规则的人员。

youdao

An umpire is of course the official who enforces the rules in baseball and a number of other sports.

umpire是在棒球或其他体育比赛中执行规则的人员。

youdao