Read Edit View history 真太阳日 zhēntàiyángrì real solar day Origin Definitions Defs Strokes Stroke Words Sentences Sents 真太阳日 真太陽日 zhēntàiyángrì real solar day The time unit required for one full rotation of the Earth relative to the sun.
真太阳日 真太陽日 zhēntàiyángrì real solar day The time unit required for one full rotation of the Earth relative to the sun.