横向
1
Large natural stream of water
3
Raised area of land, smaller than a mountain
4
Largest river in South America
8
Region between the two tropic lines
10
Largest ocean on Earth
11
Mountain that can erupt with lava
12
Area where water covers the soil
13
Large natural elevation of earth
纵向
2
City that is seat of government
5
Imaginary line around the middle of Earth
6
Piece of land jutting into the sea
7
Largest hot desert in the world
9
Ridge of rock or coral near the surface