night t arc 夜弧
The arc of the southern Milky Way shone brightly on this starry night.
在这繁星闪耀的夜晚，南天银河弧明亮发光。
By day, measure from the Sun to the Moon and add that distance to the ascendant, but by night the arc must he subtracted from the ascendant.
白天，测量从太阳到月亮的距离，并加上到上升的距离。但是，在晚上，弧度必须从上升减去。
If I were a meteor, I have to stay the night for their own arc.
如果我是一颗流星，我也要在夜空中留下自己的一段弧线。
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