横向
1
Large area covered with trees
3
Deep narrow valley with steep sides
5
Physical features of land
6
Largest ocean on Earth
8
Largest hot desert in the world
9
Large slow-moving mass of ice
10
Long-term weather patterns of an area
纵向
2
Region between the two tropic lines
4
Tool for finding directions
5
Cold treeless Arctic plain
7
Raised area of land, smaller than a mountain
11
Goods brought in from another country
12
Region near the equator