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单词 polar star
释义

Definition of polar star in English:

polar star

noun
Astronomy

  • A star at or close to a celestial pole, especially the Pole Star.

    〔天文〕北极星，极星

    Alpha Draconis used to be the north polar star
    Example sentencesExamples
    • Yes, that's the first thing, like the Big Dipper here, the North polar star.
    • These 38 stars were the 36 ‘fundamental stars’ of Maskelyne together with two further polar stars.
    • The queen, however, is as constant as the polar star, and it is that continuity, stability and dignity which Britons are now celebrating.

Definition of polar star in US English:

polar star

noun
Astronomy

  • A star at or close to a celestial pole, especially Polaris.

    〔天文〕北极星，极星

    Alpha Draconis used to be the north polar star
    Example sentencesExamples
    • Yes, that's the first thing, like the Big Dipper here, the North polar star.
    • The queen, however, is as constant as the polar star, and it is that continuity, stability and dignity which Britons are now celebrating.
    • These 38 stars were the 36 ‘fundamental stars’ of Maskelyne together with two further polar stars.
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更新时间：2025/8/13 6:39:41