terrestrial equator

例句：

1. 1.The terrestrial equatoris the line that divides the Northernand Southern Hemispheres.
   地球赤道是分隔北半球和南半球的界线。
2. 2. The terrestrialequator is also known as theequatorial line.
   地球赤道也被称为赤道线。
3. 3. The terrestrial equator is where the sunnever sets, making it a unique locationfor observing the Earth's rotation.
   地球赤道上太阳永不落下，这使得它成为观察地球自转的独特地点。