Piman.皮玛族人；皮玛族语PIn.圆周率piling of rockeries叠山Piffard's meatotome叶痕pila longitudinalis纵柱piola strain tensor皮奥拉应变张量pistacia-catechol黄连木儿茶酚pilose gerbera herb毛大丁草pisolitic limestone豆状灰岩piracetam injection吡拉西坦注射液pistillate spikelet雌性小穗pix betulae liquida[医] 白桦焦油, 洋桦沥青