在夜空中，那颗明亮的行星看起来像一个小小的发光球体。

In the night sky, the bright planet looks like a tiny glowing ___orb.

国王的权杖顶端镶嵌着一个闪亮的宝球。

The king's scepter was topped with a shining ___orb.

月亮在夜空中完美运行，化作一个银色的圆盘。

The moon ___orbited perfectly into a silver disk in the night sky.