劍橋詞典 screwball noun [C] (PERSON) mainly US informal a person who behaves in a strange and funny way 怪僻而有趣的人 screwball noun [C] (BALL) US a ball that is thrown during a baseball game so that it curves to one side （棒球比賽中的）內(nèi)曲線球 返回 screwball