Equinox
01
分点, 春分点或秋分点
(astronomy) either of the two celestial points at which the celestial equator intersects the ecliptic
02
分点, 昼夜平分点
either of the two moments in a year when the Sun, in its apparent motion along the ecliptic, crosses the celestial equator, resulting in approximately equal periods of daylight and darkness worldwide
例子
The spring equinox marks the beginning of spring in the Northern Hemisphere.
春分标志着北半球春天的开始。
During the autumn equinox, the length of day and night are nearly equal.
在秋分期间，白天和黑夜的长度几乎相等。
