de·for·ma·tion /ˌdiˌfɔrˈmeʃən, ˌdɛfɚ/
  毀壞,改醜,畸形
  Def·or·ma·tion n.
  1. The act of deforming, or state of anything deformed.
  2. Transformation; change of shape.
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  deformation
       n 1: a change for the worse [syn: distortion]
       2: alteration in the shape or dimensions of an object as a
          result of the application of stress to it
       3: the act of twisting or deforming the shape of something
          (e.g., yourself) [syn: contortion]