equator的汉语意思？

n. 赤道

例句与用法:
1. Singapore is near the equator.
新加坡位于赤道附近。

2. It is very hot near the equator.
赤道附近非常热.

3. The angular distance north or south of the earth's equator, measured in degrees along a meridian, as on a map or globe.
纬度地球赤道北或南的角距离，例如在地图或地球仪上沿着子午线用度数测量

4. Relating to or being latitudes nearest to the equator.
（纬度）低的纬度接近赤道的，或与之有关的