横向
1
Largest hot desert in the world
5
Body of water surrounded by land
6
Vast body of salt water
7
Large natural elevation of earth
9
Where river meets the sea
10
Cold treeless Arctic plain
纵向
2
Ocean between Americas and Europe/Africa
3
Low-lying land surrounded by higher ground
4
Long-term weather patterns of an area
8
Flat elevated area of land
11
Dry land with little rainfall
12
Mountain that can erupt with lava