单词	text unit
释义	text unit 文本单元
随便看	index of perceptual constancy Index of Performance index of performance evaluation Index of permanganate index of perpendicular refraction index of pest-mite situation index of phagocytosis index of phenomenal regression index of photography index of physical conditions index of physical function index of physical state index of physical volume Index of physiology index of places index of plastic deformation index of plasticity index of plastic layer index of polarity index of policy area groups index of pollution index of polyphenol index of population index of population pressure index of population trend