circumpolar
英 [sɜːkəm'pəʊlə]
美[,sɝkəm'polɚ]
- adj. 极地附近的；天极附近的
- n. 周极星；拱极星
英英释意
- 1. (of a celestial body) continually visible above the horizon during the entire 360 degrees of daily travel;
- "a circumpolar star"
- 2. located or found throughout a polar region