横向
1
Visual representation of an area
3
Large natural stream of water
4
One of seven major landmasses
8
Distance east or west of prime meridian
9
Land surrounded by water
11
Landform where river meets the sea
纵向
2
Half of the Earth
5
Largest river in South America
6
City that is seat of government
7
Imaginary line around the middle of Earth
10
Mountain that can erupt with lava