圆的英语单词怎么写

　　例句：

　　典型的饼图看起来像个圆饼。

　　A typical pie graph looks like a circular pie.

　　这孩子睁着又大又圆的眼睛看着这一切。

　　The child was watching it all with big round eyes.

　　他用枝条在沙地上画了一个圆。

　　He drew a circle in the sand with a stick.