横向
1
Distance east or west of prime meridian
3
Long-term weather patterns of an area
4
Largest river in South America
5
Vast body of salt water
7
Region near the equator
8
Flat elevated area of land
9
Area where water covers the soil
纵向
2
Flat grassland in tropical regions
3
Piece of land jutting into the sea
6
One of seven major landmasses