arcticsn.胶套鞋arcticadj.北极的；极寒的n.北极圈；北极Arctic mat grassland极地垫状草原arctic tundra subzone北极冻土亚带arctic alpine element极地高山成分arctic polygon desert北极多边形荒漠Arctic fox cultivation北极狐养殖arctic region petroleum北极石油Arctic polar vortex area北极涡面积Arctic Circle Air Service北极圈航空服务；美国航空公司Arctic Gear - Amazon Set北极装置-亚玛逊套装Arctic Mid-Oceanic Ridge北极海中央海岭