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    astronomical unit

    astronomical unit - 365bet中国官方网站 definition and meaning for word astronomical unit

    Definition
    (noun) a unit of length used for distances within the solar system; equal to the mean distance between the Earth and the Sun (approximately 93 million miles or 150 million kilometers)
    Synonyms : au

  • Word used in video below:
    text: astronomical union if ifs and butts were
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