横向
1
Where river meets the sea
5
Physical features of land
6
Height above sea level
7
Tool for finding directions
8
Largest ocean on Earth
10
Largest river in South America
11
Large slow-moving mass of ice
纵向
2
Goods brought in from another country
3
Chain or group of islands
4
Flat grassland in tropical regions
9
Large natural elevation of earth
12
Line dividing two countries