横向
1
Large body of water partly enclosed by land
3
Total number of people in an area
4
Long-term weather patterns of an area
5
Low area between mountains
9
Deep narrow valley with steep sides
纵向
2
Height above sea level
6
Ocean between Americas and Europe/Africa
7
Flat grassland in tropical regions
8
Low-lying land surrounded by higher ground
10
Large slow-moving mass of ice