圆周率是一个无理数。

Pi is an irrational number.

我们在数学课上学习了圆周率。

We learned about pi in math class.

圆周率的近似值是3.14。

The approximate value of pi is 3.14.

计算圆的面积需要用到圆周率。

Calculating the area of a circle requires pi.

科学家们用计算机计算了圆周率的许多位。

Scientists used computers to calculate many digits of pi.

圆周率听起来是什么效果？

WHAT does Pi sound like?

我多想能计算出圆周率啊！

How I wish I could calculate pi.

像是根号2，还有圆周率π这些。

The square root of two and pi, for instance.

这记号不是圆周率而是字母呢?

This here was not the symbol pi, but the letter.

圆周率三次方的平方根是什麽？

A: What is the square root of the third power of Pi?