n.[棒球]投擲；（船等）上下顛簸
動(dòng)詞pitch的現(xiàn)在分詞形式.
As this athlete improves his power, his maximum pitching speed may not change at all. 隨著爆發(fā)力的提高，最大投擲速度可能不會(huì)改變。
