polar

释义

a. 两极的, 极地的, 正好相反的, 极性的\nn. 极线, 极面 polar bear 北极熊 polar coordinate 极坐标；极座标；极坐标系统 polar region 极地；近极区域

例句

Well, what is the equation of this circle in polar coordinates?

那么，这个圆方程在极坐标系下相当于什么呢？

This image shows part of a polar crater that still holds on to some summer ice, as well as beautiful sand dunes sculpted by the wind.

这张照片展示了某个极地陨坑，陨坑中还保存着一些夏季冰的痕迹，在风的作用下形成了一些美丽的沙丘。