名詞 pi:

1. the ratio of the circumference to the diameter of a circle; approximately equal to 3.14159265358979323846...
2. someone who can be employed as a detective to collect information
   同義詞：private detective, private eye, private investigator, operative, shamus, sherlock
3. the scientist in charge of an experiment or research project
   同義詞：principal investigator
4. the 16th letter of the Greek alphabet
5. an antiviral drug used against HIV; interrupts HIV replication by binding and blocking HIV protease; often used in combination with other drugs
   同義詞：protease inhibitor

1. We have different pies, such as apple, cherry, and strawberry pies.
   我們有不同的派，例如蘋果、櫻桃和草莓派。
2. The smell of baked apple pies pervaded the house.
   房子里彌漫著烤蘋果餡餅的香味。
3. Would you like some more apple pies?
   再來點蘋果餡餅好嗎？
4. His wife made some pumpkin pies for supper.
   他妻子做了一些南瓜餡餅作晚餐。

pi

n.（名詞）
【復(fù)數(shù)】 pis
The 'th letter of the Greek alphabet.See table at alphabet
希臘字母表的第十六個字母參見 alphabet
Mathematics A transcendental number, approximately 3.459, represented by the symbol &S{x}, that expresses the ratio of the circumference to the diameter of a circle and appears as a constant in many mathematical expressions.
【數(shù)學(xué)】 π，圓周率：超越函數(shù)的數(shù)，大約為3.459，代表符號是&S{x}，表示圓的周長與直徑的比例，在許多數(shù)學(xué)式中作為常數(shù)出現(xiàn)

來源：
Medieval Greek
中世紀希臘語
from Greek pei [of Phoenician origin] ; akin to Hebrew pô
源自 希臘語 pei [源于腓尼基語] ；類似于 希伯來語 pô

pi
pi 2也作 pie

n.（名詞）
【復(fù)數(shù)】 pis 也作 pies
An amount of type that has been jumbled or thrown together at random.
混雜活字，錯亂的鉛字：錯亂在一起或隨便扔在一起的鉛字
v.（動詞）
pied[pod] 也作 pied pi.ing pie.ing pies pies
v.tr.（及物動詞）
To jumble or mix up (type).
把鉛字混合或攪亂
v.intr.（不及物動詞）
To become jumbled.
被弄亂

來源：
[Origin unknown]
[來源不明]