资料来源 : pyDict

牡蛎的牡蛎

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

Ostracean \Os*tra"cean\, n. [L. ostrea an oyster. See {Oyster}.]
   (Zo["o]l.)
   Any one of a family of bivalves, of which the oyster is the
   type.