Petko佩特科petn.宠物；受宠的人adj.宠爱的v.爱抚；亲抚Petropavlovski彼得罗帕夫洛夫斯基petrotectonics[复] n.；[用作单] [地]岩石构成学Petrosaviaceae无叶莲科petro-dollar石油美元Petrus Beukers贝克尔斯petrified wood木化石pet attachment依恋宠物犬petriellidosis霉样真菌病PET mierofiber微细旦涤纶petrous border岩缘