单词polar circle
un.: 极圈
网络: 极圈纬度平行圈；极圈区；极圆
极圈
Founders of the polar circle diving center are making holes in the ice with help of hand drills and augers.
极地圈中心的创建者正在冰里用钻孔机钻孔。
Many make their dream come true, and take a trip to the Polar Circle.
很多人梦想成真，踏上了到极圈的旅途。
The monument indicates that the town is located on the Polar circle.
这里的风景显示这座城镇位于极圈上