单词	backflap
释义	backflap noun : a flap that folds back or hangs down in back specifically : the part of a book jacket that folds over and onto the inside of the back cover Word History First Known Use 1823, in the meaning defined above
随便看	ptilocrinuses ptilocrinusses ptilonorhynchi Ptilonorhynchidae ptilonorhynchidaes ptilonorhynchuses ptilonorhynchusses ptilopod ptiloses ptilosis Ptilota ptinid Ptinidae Ptinus ptisan ptisans PTM PTO Ptolemaic Ptolemaic system Ptolemaism Ptolemaist ptolemaists ptolemaïs Ptolemaïs

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