1550s, from Middle French polaire (16c.) or directly from Medieval Latin polaris "of or pertaining to the poles," from Latin polus "an end of an axis" (see pole (n.2)). Meaning "directly opposite in character or tendency" is attested from 1832. Polar bear first recorded 1781.
例文
1. In many ways,Brett and Bernard are polar opposites.
多くの点で、ブレットとバーナードは全く異なる。
2. polar bears,denizens of the frozen north
ホッキョクグマ、氷と雪の北に生息する動物
3.The parents 'position is often the polar opposite of the child 's.
親の見方は常に子供のそれとは正反対である。
4.The white fur of the polar bear is a natural camouflage.
ホッキョクグマの白い濃密な柔らかい毛は天然の偽装である。
5.The Antarctic species have few special adaptations for polar life.