equatorial

例句：

1. 1.The planets are arranged in an equatorial belt around the sun.
   行星按照一个围绕太阳的赤道带排列。
2. 2.The tropical rainforest is located on the equatorial line.
   热带雨林位于赤道线上。
3. 3.The equatorial region experiences extreme weather conditions.
   赤道地区经历极端天气条件。