During a tropical year the sun moves from vernal equinox to vernal equinox . 在一个回归年内，太阳从春分点转回到春分点。
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The tropical year is the interval between two transits of the mean sun through the mean equinox . 回归年是平太阳两次通过平春分点的时间间隔。
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Mother - of - one moss was not at the glitzy award ceremony at london ' s victoria and albert museum , but designer vivienne westwood accepted the prize for her , a spokeswoman for the british fashion council said 2006年是超级名模凯特莫斯的回归年，而且，回归的耀眼和辉煌。过去一年里，这个身材瘦削的女人因吸毒被曝光，先后被知名品牌毁约。
