circumpolar
a. 极地附近的, 天极附近的, 拱极的
发音
US
释义与例句
adj.
-
1.
Located or found throughout a polar region.
-
2.
Of a celestial body, continually visible above the horizon during the entire 360 degrees of daily travel.
天文a circumpolar star
词汇关系
词源
From circum- + polar.
来源:wiktionary