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	steganopi steganopod steganopodan Steganopodes steganopodous steganopods steganopuses steganopusses stegh stego- Stegobium stegocarpous Stegocephalia stegocephaliae stegocephalian stegocephalians stegocephalias stegocephalous stegodon stegodons stegodont stegodonts Stegomus stegosaur stegosauri

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