单词	passive--reflector
释义	reflector， passive被动反射器
随便看	marginal propensity to import marginal propensity to invest marginal propensity to save marginal quay marginal rate of product substitution marginal rate of product substitution (mrps) marginal rate of return marginal rate of substitution marginal rate of tax marginal rate of technical substitution marginal rationality marginal ray marginal ray cell marginal ray tracheid marginal relay marginal representation marginal reserves marginal return marginal return period marginal revenue marginal revenue product marginal revenue product of labor marginal revolution marginal ring ulcer of cornea marginal row