横向
1
Goods sold to another country
5
Land surrounded by water on three sides
6
Body of water surrounded by land
7
Physical features of land
8
Distance north or south of equator
9
Large natural elevation of earth
纵向
2
Long-term weather patterns of an area
3
Largest river in South America
4
Region near the equator
4
Region between the two tropic lines
10
Wearing away of land by water or wind
11
Total number of people in an area