polar

['pəulə]

adj.两极的, 对立的
n.极线,极性

例句与用法：

Although they can swim, the polar bears are terrestrial animals.

北极熊虽然会游泳，但也是陆栖动物。

The polar bear's habitat is the icy waters of the Arctic.

北极熊的栖息地是冰冷的北极海域。

Located or found in one of the Polar Regions.

环极的，围绕极地的位于或发现于一个极地区域中的

Are there any animals in the polar circles?

南极圈和北极圈内有动物存在吗？

Polar distance; polar diameter.

极距; 两极的直径

The two systems of government are polar opposites.

这两种政体正好相反。

详细释义：

a.[B]

1. 北极的, 南极的; 极地的

2. 极的; 极性的; 磁极的; 电极的

3. 正好相反的, 截然对立的

The two systems of government are polar opposites.

这两种政体截然相反。