southward equinox

名词 n.
中文释义

英文释义

名词 n.
  1. The September equinox: the moment when the sun crosses the celestial equator while heading southward, occurring on September 22–23. That would be autumnal equinox in the northern hemisphere and vernal equinox in the southern hemisphere. uncountable,usually

词形变化

southward equinoxes plural
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