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单词 pi
释义  Related topics: Maths, Numberspi /paɪ/ noun [uncountable]  technicalHM a number that is represented by the Greek letter (π) and is equal to the distance around a circle, divided by its width 圆周率 (π)Examples from the Corpuspi• A broken networked intelligence may be able to calculate pi to the billionth digit but not forward e-mail to a new address.• Consider a symmetric equilibrium in which the n firms in industry i all charge a price pi.• Now came the pi ce de r sistance.• One of his most popular miracles occurred one day while pi owing.Origin pi (1800-1900) From the name of the first letter of Greek periphereia “distance around a circle”pi nounChinese  that Corpus a represented by number is
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更新时间：2026/10/20 0:08:46