situated around or inhabiting one of the earth's poles 极地附近的;极地的 a strong circumpolar vortex. 地极附近的强漩涡。 ■(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。