横向
1
Tool for finding directions
4
Landform where river meets the sea
6
Largest river in South America
8
Large natural elevation of earth
9
Large body of water partly enclosed by land
纵向
2
Total number of people in an area
3
Goods brought in from another country
5
Large area covered with trees
7
Body of water surrounded by land
10
Imaginary line around the middle of Earth