横向
1
Low-lying land surrounded by higher ground
4
Large area covered with trees
5
Region between the two tropic lines
7
Seasonal heavy rainfall
9
Distance east or west of prime meridian
10
Half of the Earth
12
Large natural stream of water
纵向
2
Land surrounded by water on three sides
3
Physical features of land
6
Chain or group of islands
8
Large natural elevation of earth
11
Large body of water partly enclosed by land