横向
1
Flat elevated area of land
4
Tool for finding directions
5
Flat grassland in tropical regions
9
Goods sold to another country
10
Vast body of salt water
11
Large body of water partly enclosed by land
纵向
1
Largest ocean on Earth
2
Low-lying land surrounded by higher ground
3
Region surrounding the North Pole
6
Dry land with little rainfall
7
Landform where river meets the sea
8
Largest river in South America
12
Large slow-moving mass of ice