横向
1
Long-term weather patterns of an area
3
Largest river in South America
6
Raised area of land, smaller than a mountain
8
Imaginary line around the middle of Earth
10
Deep narrow valley with steep sides
纵向
2
Region near the equator
3
Ocean between Americas and Europe/Africa
4
Visual representation of an area
5
Physical features of land
7
Cold treeless Arctic plain
9
Landform where river meets the sea
11
Flat grassland in tropical regions