NTUMC+ Open Multilingual Wordnet 0.9

春分或秋分+的, 等昼线, 春分或秋分, 春分或秋分, 等昼线+的

equinoctial

relating to an equinox (when the lengths of night and day are equal)

春分或秋分, 昼夜平分时, 春分或秋分, 昼夜平分点, 昼夜平分点, 昼夜平分时

equinox

either of two times of the year when the sun crosses the plane of the earth's equator and day and night are of equal length

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