冰冻奶奶和冰冻爷爷什么意思

　　At the Television Critics Association Winter Press Tour, National Geographic announced an expansion of “The One Day in America” franchise, with a new documentary, “JFK: One Day In America”. The series marks 60 years since the assassination of JFK, and they are the last surviving witnesses to these extraordinary events. 　　The series will tell the story of the assassination of Joh... (展开全部)