shredding
 椽底板條; 擊碎
 Shred, v. t. [imp. & p. p. Shred or Shredded p. pr. & vb. n. Shredding.]
 1. To cut or tear into small pieces, particularly narrow and long pieces, as of cloth or leather.
 2. To lop; to prune; to trim. [Obs.]
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 Shred·ding n.
 1. The act of cutting or tearing into shreds.
 2. That which is cut or torn off; a piece.
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 shred
      n 1: a tiny or scarcely detectable amount [syn: scintilla, whit,
            iota, tittle, smidgen, smidgeon, smidgin, smidge]
      2: a small piece of cloth or paper [syn: rag, tag, tag end,
          tatter]
      v : tear into shreds [syn: tear up, rip up]
      [also: shredding, shredded]
 shredding
      See shred