PRM=Personal Radiation Monitor 人体辐射检测器PRabbr.(=public relation) 公共关系praseodymium yellow镨黄Przewalski's gerbilpraetieal knowledge实践性知识pruritic dermatosis痒风, 血风疮Prazosin Compositae复哌嗪Prunus laurocerasus月桂樱(树)Prunus divaricata L野生樱桃李pruritus genitalium阴部瘙痒症Prasiola lanpingianan.兰坪溪菜przevalski partridge大石鸡