equinoxes的中文意思、音标与词形变化

n. 昼夜平分点, 春分或秋分( equinox的复数形式 )

n. 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 n. (astronomy) either of the two celestial points at which the celestial equator intersects the ecliptic