单词	polyacrylonitrile
释义	polyacrylonitrile noun poly·​ac·​ry·​lo·​ni·​trile ˌpä-lē-ˌa-krə-lō-ˈnī-trəl  -ˌtrēl : a polymer of acrylonitrile used often as fibers Word History First Known Use 1935, in the meaning defined above
随便看	posher poshes poshest poshing poshly poshness poshnesses poshteen posied posies posigrade posing posing (as) posing as posingly posings posit posited positifs positing position position analysis position angle position artillery position buoy

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