星名，指北极星。
北极冻原是指北极点周边的地区，是世界最高的地方。
The arctic tundra is at the top of the world around the North Pole.
北极的定义有很多种，一般而言，是指北极圈内或附近的区域。
The Arctic can be defined in a number of different ways but is generally considered to be the region inside or near to the Arctic Circle.
北冰洋，不出所料，围绕着北极圈(北极圈指北极周围的地区)。
The Arctic Ocean, unsurprisingly, surrounds the Arctic; that is, the regions around the North Pole.
北极就是北极点附近的地区——和南极就是南极点附近的地区刚好遥相呼应北极的定义有很多种，一般而言，是指北极圈内或附近的区域。
But some will define it on the basis of air or sea temperature, the native territories of the Arctic indigenous peoples, or the area north of where trees stop growing.
北极就是北极点附近的地区——和南极就是南极点附近的地区刚好遥相呼应北极的定义有很多种，一般而言，是指北极圈内或附近的区域。
But some will define it on the basis of air or sea temperature, the native territories of the Arctic indigenous peoples, or the area north of where trees stop growing.
应用推荐