横向
1
Goods brought in from another country
5
Region between the two tropic lines
6
Flat elevated area of land
7
Goods sold to another country
8
Large body of water partly enclosed by land
9
Vast body of salt water
纵向
2
Largest river in South America
3
Total number of people in an area
4
Distance east or west of prime meridian
10
Cold treeless Arctic plain
11
Mountain that can erupt with lava
12
Piece of land jutting into the sea