黄道圈

例句：

1. 1. The sun's path around the Earth is known as the ecliptic, which is also called the "horizontal circle".
   太阳绕地球运行的路径被称为黄道带，也称为“水平圆”。
2. 2. During the winter solstice, the sun appears to be at its northernmost point in the sky, forming aperfect circle.
   在冬至时，太阳看起来是天空中最北端的点，形成一个完美的圆圈。
3. 3. Astronomers use the term "horizontal circle" to describe the plane of the celestial equator.
   天文学家使用“水平圆”这个术语来描述天球赤道平面。