equinox

美 [ˈekwɪˌnɑks]
英 [ˈiːkwɪnɒks]
  • n.春[秋]分;【天文学】二分点;历元
  • 网络春分;昼夜平分点;昼夜平分时
复数:equinoxes  
equinox
n.
1.
二分时刻;昼夜平分时;春分;秋分one of the two times in the year (around 20 March and 22 September) when the sun is above the equator and day and night are of equal length
the spring/autumn equinox
春分;秋分

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