polyoxyn.聚氧POLYabbr.聚乙烯(=polyethylene)pref.多的；聚合的polysaccharides extracts多糖提取物polysubstituted pyridine多取代吡啶polysaccharides sulfated硫酸酯多糖poly phenylene-sulfide聚苯硫醚polyadenylate polymerase多腺苷酸聚合酶polyethylene wash bottle聚乙烯洗瓶polyhedron spatial frame多面体空间钢架polyurethane waste fiber氨纶废丝polytopic gain scheduled多胞变增益Polyrhachis vicina Roger拟黑多剌蚁