单词	reluctivity
释义	reluctivity noun rel·​uc·​tiv·​i·​ty -ˈtivətē plural -es : the reciprocal of magnetic permeability Word History Etymology reluctance + -ivity (as in conductivity)
随便看	echinostome echinostomiases echinostomiasis echinostomoid Echinozoa echinus echinuses Echites echium echiums Echiurida echiuroid Echiuroidea echiuroids Echiurus echo echo box echo chamber echo organ echo ranging echo sounder echo sounding echo stop echo verse echocardiogram

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