词汇	mealy redpoll
释义	mealy redpoll 斑点朱顶雀
随便看	marginal user cost marginal utilities marginal utility marginal utility analysis marginal utility and return marginal utility approach to demand marginal utility degree marginal utility index marginal utility of income marginal utility of money marginal utility per dollar Marginal Utility School marginal utility standard marginal utility theory marginal utility theory of interest marginal utility theory of taxation marginal utility theory of value marginal vacuum marginal value marginal value product marginal-value product marginal value productivity marginal value products marginal value vector marginal variable