单词 | 北极星 |
释义 | 文馨英漢☞北極星北极星 Běijíxīngastr. North Star; polestar; Polaris北极星BěijíxīngNorth StarPolaris北极星【天】North Star北极星 běi jí xīng Polaris; North Star; Pole Star; polestar; loadstar (出现在天空北部的一颗亮星, 现在是小熊座α, 到公元14,000年将是织女星) “北极星” 弹道导弹 (美) Polaris; 北极星时角测量法 Pole star's hour-angle method; 北极星序 north polar sequence北极星[běi jí xīng]天空北部的一颗亮星,距天球北极很近,差不多正对着地轴,从地球上看,它的位置几乎不变,可以靠它来辨别方向。由于岁差,北极星并不是永远不变的某一颗星,现在是小熊座α星,到公元14000年将是织女星。Polaris; North Star; pole star; bright star situated close to the north celestial pole, approximately opposite the earth's axis, used to take bearings because it hardly changes its position. Owing to the precession of the equinoxes, Polaris will not remain the pole star indefinitely. At present, it is the α star in Ursa Minor; by the year 14000, Vega (in the constellation Lyra) will serve as the pole star.另见 北斗星 běidǒuxīng北极星n.Cynosura【天】小熊(星);北极星cynosure[C-] 【天】小熊(星)座;北极星Polaris【天】北极星phr.polar star【天】北极星Pole Star【天】北极星l'étoile du nord〈法〉【天】北极星North Star【天】北极星北极星1. Polaris; the North Star; the Polestar; the Cynosure; the loadstar; the lodestar北极星north star; polaris; Polaris北极星polar star; polaris北极星north star北极星polar star北极星pole star北极星loadstar北极星Polaris双向☞勾陈一--小熊[座]α[星]--北极星 |
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