词汇表
Travel & Geography
Hemisphere
定义
Half of the Earth divided by either the equator (Northern/Southern) or the Prime Meridian (Eastern/Western). Understanding hemispheres helps with seasonal differences and route planning.
相关术语
Equator
An imaginary circle around the Earth at 0 degrees latitude, equidistant from the North and South Poles. Divides the Earth into Northern and Southern hemispheres.
Latitude
The angular distance of a point north or south of the equator, measured in degrees from 0 (equator) to 90 (poles). Combined with longitude, it specifies any location on Earth.
Longitude
The angular distance of a point east or west of the Prime Meridian (Greenwich, England), measured in degrees from 0 to 180. Combined with latitude, it specifies any location on Earth.