The eighth day after a feast day, counting the feast day as one.
第八天教会节日后从该日算起的第八天
One of the four brightest satellites of Jupiter and the eighth in distance from the planet. Originally sighted by Galileo, it is one of the largest satellites in the solar system.
木卫三木星四颗最亮的卫星之一，距木星的远近程度是第八位。最早伽利略观察到，是太阳系最大的卫星之一
One eighth of a circle.
八分圆圆的八分之一
