横向
1
Region near the equator
1
Region between the two tropic lines
3
Landform where river meets the sea
4
Large natural elevation of earth
7
Largest river in South America
9
Ridge of rock or coral near the surface
10
Area where water covers the soil
纵向
2
Large slow-moving mass of ice
5
Low-lying land surrounded by higher ground
6
Half of the Earth
8
Distance east or west of prime meridian
11
Imaginary line around the middle of Earth
12
Largest hot desert in the world
13
Flat grassland in tropical regions
