来自pole,地级，两级。引申词义截然对立。

1. In many ways, Brett and Bernard are polar opposites.

在许多方面，布雷特和伯纳德截然不同。

2. polar bears, denizens of the frozen north

北极熊，在冰天雪地的北方生活的动物

3. The parents' position is often the polar opposite of the child's.

父母的观点常与孩子的完全相反。

4. The white fur of the polar bear is a natural camouflage.

北极熊身上的白色的浓密软毛是一种天然的伪装.

5. The Antarctic species have few special adaptations for polar life.

南极的物种对极地生活几乎没有什么特别的适应性改变.