1N-PROPER 北极;北极地区The Arctic is the area of the world around the North Pole. It is extremely cold and there is very little light in winter and very little darkness in summer. 北极;北极地区
...winter in the Arctic.
北极的冬天
...Arctic ice.
北极地区的冰
2ADJ-GRADED 极冷的;严寒的 If you describe a place or the weather as arctic, you are emphasizing that it is extremely cold. 极冷的;严寒的 [informal, emphasis]
The bathroom, with its ancient facilities, is positively arctic.