单词	perfin
释义	perfin /ˈpəːfɪn / noun Philately A postage stamp perforated with the initials or insignia of an organization, especially to prevent misuse.Such punched stamps are referred to as perfins, an abbreviation for perforated initials.... The discussion of perfins, advertising stationery, selvedge, and sponsorship identified further implications of the connection between Canadian business and postage stamps. Origin 1950s: from perf(orated) in(itials).
随便看	tonkotsu Tonlé Sap ton-mile tonnage tonne tonneau tonneau cover tonometer tonoplast to no purpose tonsil tonsil hockey tonsillar tonsillectomy tonsillitis tonsorial tonsorially tonsure tontine Tonton Macoute ton-up tonus tony too too bad

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