point vernal
/ˈvɜːmɪfˌɔːm ɐpˈɛndɪks/
n
English: vernal equinox · 春分点
Sens：At the equinoxes, day and night are of equal length; the vernal (spring) equinox is on March 20 or 21 in the Northern hemisphere.
English: vernal equinox · 春分点