circumpolar
/ˌsɜːkəmˈpəʊlə(r)/adjective
1- situated around or inhabiting one of the earth's poles极地附近的; 极地的:
a strong circumpolar vortex.
极地附近的强漩涡。
1.1
- Astronomy (of a star or motion) above the horizon at all times in a given latitude【天文】(恒星或运行) 拱极的:
the Plough is circumpolar from Britain.
自英国观察, 北斗七星是拱极的。