prsn.偶(对)PRabbr.(=public relation) 公共关系practising base实习基地Praomys fumatusn.烟青柔毛鼠Praomys daltonin.德氏柔毛鼠PR practitioner公共关系pruntdecoration粘花装饰Practicing base实践基地pruritus vuluae阴痒, 外阴搔痒Praomys hubertin.几内亚柔毛鼠Prunus wilsonii紫叶稠李Prunus maritime滨梅