横向
1
Half of the Earth
4
Seasonal heavy rainfall
6
Chain or group of islands
8
City that is seat of government
10
Large natural stream of water
11
Large natural elevation of earth
12
Mountain that can erupt with lava
15
Largest river in South America
纵向
2
Vast body of salt water
3
Flat grassland in tropical regions
5
Region near the equator
7
Goods sold to another country
9
Tool for finding directions
13
Deep narrow valley with steep sides
14
Narrow sea inlet between cliffs