- 问题详情: YoumayhaveheardthatayoungmannamedAbnerDoubledayinventedthegameknownasbaseballinCooperstown,NewYork,duringthesummerof1839.DoubledaythenwentontobecomeaCivilWarhero,whilebaseballbecameAmerica'sbelovednationalpastime.Notonlyisthatstoryuntrue,i...
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