n.小孩弄的唾液湿纸团，唾沫曲球（指投手将球一端弄湿，使球在空中作弧线运动，为犯规球）； 英英释义： spitball[ 'spitbɔ:l ]n.a projectile made by chewing a piece of paper and shaping it into a spherean illegal pitch in which a foreign substance (spit or Vaseline) is applied to the ball by the pitcher befo