横向
1
Ocean between Americas and Europe/Africa
5
Area where water covers the soil
6
Large natural stream of water
7
Body of water surrounded by land
纵向
1
Largest river in South America
2
Large area covered with trees
3
Largest hot desert in the world
4
Half of the Earth
8
Land surrounded by water
9
Height above sea level
10
Long-term weather patterns of an area