投球动作 meaning in English

pitcher motion

" i think right now i feel a little confused with my mechanics and my slider , " he said . " i ' ll be ok .
我觉得现在我的投球动作和我的滑球简直乱七八糟。他说：我会很好的。
In his last six innings , he faced only 20 batters , two more than the minimum , after adjusting his throwing motion to get his sinker to go lower and induce ground balls
在他的最终六局中面对了20个打数，仅仅比最少打数多出两席，在他调整了投球动作之后，他的伸卡球沈的更低，因此诱使对手击出了一堆滚地球。