noun 下载 🔗分享 快速球, 直球 Any of the variations of high speed pitches thrown in baseball Examples : "The pitcher threw a blazing fastball right over home plate for a strike. " 投手投出一個火熱的快速球，直擊本壘板，漂亮的三振！ sport game 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 快球，快速球 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 Examples : "The pitcher had a blazing fastball." 那位投手投出的快速球非常有力，速度惊人。 sport 与AI对话词汇游戏阅读练习
