横向
1
Large natural elevation of earth
4
Region near the equator
5
Ocean between Americas and Europe/Africa
7
Flat grassland in tropical regions
8
Goods brought in from another country
10
Low-lying land surrounded by higher ground
纵向
2
Area where water covers the soil
3
City that is seat of government
4
Physical features of land
6
Distance east or west of prime meridian
9
Total number of people in an area