opaque /oˈpek/
  不透明物(a.)不透明的,不傳熱的
  opaque /oˈpek/ 形容詞
  不透明的,不透光的
  opaque
  不透明的; 不傳導的
  opaque
  不透明
  O·paque a.
  1. Impervious to the rays of light; not transparent; as, an opaque substance.
  2. Obscure; not clear; unintelligible. [Colloq.]
  O·paque, n. That which is opaque; opacity.
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  opaque
       adj 1: not clear; not transmitting or reflecting light or radiant
              energy; "opaque windows of the jail"; "opaque to
              X-rays" [ant: clear]
       2: not clearly understood or expressed [syn: unintelligible]