有关Bidens的英语内容
> 列表攻克癌症 拜登的登月计划 Biden's moonshot mission
2013-03-23AcoupleofweeksagoIwriggledmywayintoanovercrowdedconferenceroomattheWorldEconomicForuminDavostolistentoUSvice-presidentJoeBidentalkabouteffortstocurecancerwitha“moonshot”(anAmericanbuzzwordforhigh-ri......