ATriptotheSmithsonianMs.DeJohnstoodatthefrontoftheroom....
問題詳情：ATriptotheSmithsonianMs.DeJohnstoodatthefrontoftheroom.“Okay,everyone,”shebegan,“asyouallknow,We’llvisittheSmithsonianInstitutiononMonday.Wearegoingtospendsometimethismorningdiscussingwhat...