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单词 autumn equinox
释义

autumn equinox

(also autumnal equinox)
noun
1The equinox in autumn, on about 22 September in the northern hemisphere and 20 March in the southern hemisphere.Sunlight is continuous throughout the summer, but after the solstice the sun slowly sinks to the horizon until it drops below on the autumn equinox....
  • The autumn equinox was 22nd September but I'll be celebrating it with friends and family today.
  • Make a portrait of the north woods in upper Minnesota over the ninety days between the autumn equinox and winter solstice.
1.1 Astronomy The equinox in September.The vernal and autumnal equinoxes occur when the ecliptic crosses the celestial equator, so linking stars, sun and earth through the passage of time.
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更新时间:2025/1/24 9:39:04