单词	felicific calculus
释义	felicific calculus noun : a method of determining the rightness of an action by balancing the probable pleasures and pains that it would produce Word History First Known Use 1945, in the meaning defined above
随便看	permanent-press permanently permanentness permanentnesses permanents permanganate permanganates permanganic anhydride permansive permatron permeabilities permeability permeable permeableness permeablenesses permeabler permeablest permeameter permeameters permeance permeances permeanter permeantest permease permeases

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