单词	postorbitosquamosal arch
释义	postorbitosquamosal arch noun post·​or·​bi·​to·​squamosal arch : a bony arch made up of fused portions of the postorbital and squamosal bones that separates the two temporal openings in a diapsid reptile Word History Etymology postorbit(al) + -o- + squamosal
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