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单词 perigee
释义

perigee

noun
/ˈperɪdʒiː/
/ˈperɪdʒiː/
(astronomy)
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  1. enlarge image
    the point in the orbit of the moon, a planet or other object in space when it is nearest the planet, for example the earth, around which it turns
    compare apogee
    Word Originlate 16th cent.: from French périgée, via modern Latin from Greek perigeion ‘close round the earth’, from peri- ‘around’ + ‘earth’.
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更新时间:2024/12/22 23:25:34