pigment

n. 天然色素，干粉颜料

piezo-electric, piffle, piffling, pig, pig iron, pig-iron, pigeon, pigeon-breasted, pigeon-hole, pigeon-toed, pigeonhole, piggery, piggish, piggishly, piggishness, piggy, pigheaded, pigheadedly, pigheadedness, piglet, pigmentation, pigmy, pigskin, pigsty, pigswill, pigtail, pike, pikestaff, pilaff, pilaster, Pilatus Porter, pilchard, pile, pile up, pile-driver, pile-up, piles, pilfer, pilferage, pilferer,