横向
1
Region surrounding the North Pole
2
Visual representation of an area
4
Dry land with little rainfall
6
Flat elevated area of land
纵向
2
Large natural elevation of earth
3
Mountain that can erupt with lava
5
Area where water covers the soil
6
Largest ocean on Earth
7
Distance east or west of prime meridian
8
Where river meets the sea
9
Flat grassland in tropical regions
10
Cold treeless Arctic plain