n.(投手投出的)快球
But his regular four - seam fastball is legit, too.
不过他常投的四缝线快速球也够正统.
A hard, fast pitch is called a " fastball. "
投出又快又狠的一球称为[快速球 ].
He has a quirky windup but his fastball is great.
他投球准备动作很怪,但快球投得很棒.