横向
1
Region near the equator
4
Imaginary line around the middle of Earth
5
Low area between mountains
7
Largest river in South America
8
Seasonal heavy rainfall
12
Land surrounded by water on three sides
13
Piece of land jutting into the sea
纵向
2
Large natural stream of water
3
Vast body of salt water
6
Flat grassland in tropical regions
9
Mountain that can erupt with lava
10
Physical features of land
11
Body of water surrounded by land
14
Distance east or west of prime meridian