n.〈英〉同“pie”；【数】圆周率；希腊字母表的第十六字母adj.有道德的网络聚酰亚胺(polyimide)；皮；等电点变形：过去分词：pied现在分词：piing第三人称单数：pies复数：pis英英释义： pi[ 'kæmpi: ]n.the ratio of the circumference to the diameter of a circle; approximately equal to 3.14159265358979323846...someone who can be employe