I could rattle off pi to 25 places.

圆周率能随便背个 25 位数。

Unique because it has a pattern of the mathematical symbol pi.

之所以说它特别是因为上面有圆周率π的数学符号。

It's that special day in March when we collectively celebrate the irrational number represented by the Greek symbol pi.

这是三月中一个特别日子，我们集体纪念希腊字母π代表的这个无理数。

It rotates four times, and its circumference is two pi.

它旋转四圈，它的周长是二圆周率。

So the total distance that the center moves is eight pi.

所以中心移动的总距离是 8 pi。

Apparently it's not a pigeon, but I think it's a pi-...

显然它不是鸽子， 但我认为它是 pi-.

In science, the number " pi" (pi) begins three point one four, and so forth.

在科学中，数字“pi” (pi) 以三点一四开头， 依此类推。

In one of the doodles, the user gets to hit a pi? ata with a stick.

在其中一个涂鸦中，用户可以点击圆周率？ ata 用一根棍子。

Penny's clothing is unusual because it has images in the shape of the mathematical symbol pi.

Penny 的衣服很不寻常， 因为它有数学符号 pi 形状的图像。

He's getting kind of, he drew some PIs, you know, which is something that counts for nothing.

他变得有点，他画了一些 PI，你知道，这是毫无意义的事情。