时间:2022-07-24 22:32:55
分至年。
equinoctial: adj. 1.【天文学】二分点的;昼夜分线的;昼夜平分时 ...
year: n. 1.年,岁;一年。 2.年度,学年。 3.〔pl. ...
the time for the earth to make one revolution around the sun, measured between two vernal equinoxes
同义词:solar year, tropical year, astronomical year,