Of or relating to Earth’s northern polar region

与地球北极地区有关

Extremely cold or wintry, like conditions of the Arctic

极其寒冷或严冬般的，类似北极的

Made for use in very cold conditions

为极寒条件下使用而设计

Astronomy relating to the celestial north pole or nearby sky

天文学 与北天极或其附近天空有关

The region around the North Pole, including its oceans and lands

北极周围的地区，包括其海洋与陆地

A warm waterproof overshoe worn over regular footwear

套在普通鞋外的保暖防水套鞋

Any butterfly of the genus Oeneis

Oeneis 属的任何蝴蝶