noun · a player who throws the ball to the batter in baseball or softball

作为棒球队的王牌投手，他已经连续胜了三场比赛。

noun · a player in cricket who delivers the ball to the batsman

在那场板球赛中，这名投手投出了速度惊人的一球。

noun · a person who throws an object, such as a sports implement or a weapon

飞镖比赛非常考验投手的心理素质和手臂的稳定性。