Any of various bivalve molluscs of the family Ostreidae, typically having a rough, irregularly oval shell, including several types which are eaten…
| 单词 | θ33128 | 
| 释义 | the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Pelecypoda or Conchifera > 			[noun]		 > section Asiphonida > family Aviculidae > member of (pearl oyster) (2)		 oystera1398 Any of various bivalve molluscs of the family Ostreidae, typically having a rough, irregularly oval shell, including several types which are eaten… pearl oyster1612 Any of various tropical marine bivalve molluscs of the family Pteriidae (wing oysters), having a ridged, scaly shell within which pearls may be… | 
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