Pi Day

短语

圆周率日

发音

US /ˈpaɪ deɪ/
AU
UK /ˈpaɪ deɪ/

别名

π Day

释义与例句

name
  1. 1.

    March 14th, an annual celebration of the mathematical constant π (pi).

    圆周率日

词源

pi + day, from the date March 14th in the month/day format (that is, 3/14), 3, 1 and 4 being the first three significant digits of the mathematical constant π.

来源：wiktionary