equatorial line

例句：

1. 1.The Earth's axis is tiltedat an angle of about 23.5 degrees to the equatorialline.
   地球的轴倾斜了大约23.5度，与赤道线成角。
2. 2. The sun rises andsets on the equatorial line everyday.
   太阳每天在赤道线上升起和落下。
3. 3. The equatorial line divides the Earth into two hemispheres.
   赤道线将地球分为两个半球。