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Opercle

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Opercle \O"per*cle\, n. [Cf.F. opercule. See {Operculum}.]
   1. (Anat.) Any one of the bony plates which support the gill
      covers of fishes; an opercular bone.

   2. (Zo["o]l.) An operculum.
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