横向
1
Large area covered with trees
5
Deep narrow valley with steep sides
6
Largest river in South America
7
Distance north or south of equator
8
Landform where river meets the sea
9
Land surrounded by water
11
City that is seat of government
纵向
2
Chain or group of islands
3
Long-term weather patterns of an area
4
Large natural stream of water
10
Dry land with little rainfall
12
Mountain that can erupt with lava