noun🔗Share直球，快速球 Any of the variations of high speed pitches thrown in baseball"The pitcher threw a series of fastballs, hoping to strike out the batter. "投手连续投出几记直球，希望能三振打者。sportgameChat with AIVocabulary GamePractice Reading
noun🔗Share四缝线快速球，快速直球 A four-seam fastball, which is a backspin pitch thrown with a ball gripped in the direction to cause four of the seams of the ball to cross the flight path and released with roughly equal pressure by the index and middle fingers"The pitcher had a blazing fastball."这位投手投出的四缝线快速球非常快。sporttechnicalChat with AIVocabulary GamePractice Reading
