YoumayhaveheardthatayoungmannamedAbnerDoubledayinvente...
问题详情: YoumayhaveheardthatayoungmannamedAbnerDoubledayinventedthegameknownasbaseballinCooperstown,NewYork,duringthesummerof1839.DoubledaythenwentontobecomeaCivilWarhero,whilebaseballbecameAmerica'...