横向
1
Distance east or west of prime meridian
5
Half of the Earth
8
Seasonal heavy rainfall
9
Region surrounding the North Pole
纵向
2
Vast body of salt water
3
Landform where river meets the sea
4
Line dividing two countries
6
Flat elevated area of land
7
Wearing away of land by water or wind
10
Large natural elevation of earth
11
Flat grassland in tropical regions