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1. Oxford Dictionary

   frictional

   • IPA[ˈfrɪkʃ(ə)n(ə)l]

   英式

   • adj.
     of or produced by the action of one surface or object rubbing against or moving over another
2. • 釋義
   • 相關詞

   adj.

   形容詞

   • 1. of or produced by the action of one surface or object rubbing against or moving over another frictional drag

   frictional unemployment

   • n.
     the unemployment which exists in any economy due to people being in the process of moving from ...

   Oxford American Dictionary

   frictional unemployment

   • n.
     the unemployment which exists in any economy due to people being in the process of moving from ...

   Oxford Dictionary

3. • 更多解釋

   frictional

   • IPA[ˈfrikSHənl]

   美式

   • adj.
     of or produced by the action of one surface or object rubbing against or moving over another: frictional drag

   Oxford American Dictionary