单词breaking ball
un.: 变方向的球;重锤
网络: 变化球;指变化球;变化球系
重锤
变方向的球
The screwball is the most difficult breaking ball to pitch, as it goes against the natural arm motion of the pitch.
螺旋球是最难投的变化球,因为它与胳膊在投球时的自然运动相反。
There are a number of breaking ball pitches.
变化球有许多种。