phaco玻璃体切割机PHn.[化]酸碱度(=Potential Of Hydrogen)abbr.公共卫生(=Public Health)abbr.紫心勋章(=Purple Heart)phenylnaphthylamine苯基萘基胺phenyl-isocyanate苯基异氰酸酯phosphonium bromide溴化磷Phaedusa delavayanan.八褶管螺pharyngoamygdalitis咽扁桃体炎pheny lacetonitrile苄基氰physiographic cycle地文循环Phyllodesma ursulaen.褐榆枯叶蛾phosphotidyl serine磷脂酰丝氨酸类phoretic copulation携配