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帮顶

while the popular image of Sun Ra during his career was that of an offbeat,___ character at the ____ of both mainstram and avant-garde jazz,many scholars now see Sun Ra as a central figure in the 1950s' Afirican American embrace of scienxe and technology.Sun Ra's art,in this view,looked to both the past and future to ___ and claim new metaphorical and material spaces for the diaspora.
Blank one:cheerful、creative、domineering
Blank two:epicenter、margins、pedigree
Blank three:re-envision、enclose、narrow